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The dataset generation failed because of a cast error
Error code:   DatasetGenerationCastError
Exception:    DatasetGenerationCastError
Message:      An error occurred while generating the dataset

All the data files must have the same columns, but at some point there are 5 new columns ({'Correct Option', 'Subject', 'Question Number', 'Shift Name', 'Question Text'}) and 7 missing columns ({'topic', 'options', 'answer', 'question', 'subject', 'correct_option', 'explanation'}).

This happened while the csv dataset builder was generating data using

hf://datasets/archit11/jee_math25/jee_math_with_chapters.csv (at revision cae47941e6811566e3b85fcd83c83dadba0eb09a)

Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1870, in _prepare_split_single
                  writer.write_table(table)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 622, in write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2292, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/table.py", line 2240, in cast_table_to_schema
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              Shift Name: string
              Subject: string
              Question Number: int64
              Question Text: string
              Correct Option: double
              question_id: int64
              chapter: string
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1111
              to
              {'question_id': Value(dtype='string', id=None), 'subject': Value(dtype='string', id=None), 'chapter': Value(dtype='string', id=None), 'topic': Value(dtype='string', id=None), 'question': Value(dtype='string', id=None), 'options': Value(dtype='string', id=None), 'correct_option': Value(dtype='string', id=None), 'answer': Value(dtype='float64', id=None), 'explanation': Value(dtype='float64', id=None)}
              because column names don't match
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1438, in compute_config_parquet_and_info_response
                  parquet_operations = convert_to_parquet(builder)
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1050, in convert_to_parquet
                  builder.download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 924, in download_and_prepare
                  self._download_and_prepare(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1000, in _download_and_prepare
                  self._prepare_split(split_generator, **prepare_split_kwargs)
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1741, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1872, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
              datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
              
              All the data files must have the same columns, but at some point there are 5 new columns ({'Correct Option', 'Subject', 'Question Number', 'Shift Name', 'Question Text'}) and 7 missing columns ({'topic', 'options', 'answer', 'question', 'subject', 'correct_option', 'explanation'}).
              
              This happened while the csv dataset builder was generating data using
              
              hf://datasets/archit11/jee_math25/jee_math_with_chapters.csv (at revision cae47941e6811566e3b85fcd83c83dadba0eb09a)
              
              Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

question_id
string
subject
string
chapter
string
topic
string
question
string
options
string
correct_option
string
answer
null
explanation
null
e0d7c5a9-1325-4f0a-997d-fe2f4c1315b6
maths
3d-geometry
sequences-and-series
Let $a_1, a_2, a_3, \ldots$ be a G.P. of increasing terms. If $a_1 a_5 = 28$ and $a_2 + a_4 = 29$, then $a_6$ is equal to:
[{"identifier": "A", "content": "628"}, {"identifier": "B", "content": "812"}, {"identifier": "C", "content": "526"}, {"identifier": "D", "content": "784"}]
["D"]
null
null
08d4f2e5-79ce-4622-add6-d93266ac5637
maths
3d-geometry
differential-equations
Let $x = x(y)$ be the solution of the differential equation $y^2 \, dx + (x - \frac{1}{y}) \, dy = 0$. If $x
[{"identifier": "A", "content": "= 1$, then $x \\left( \\frac{1}{3} \\right)$ is:"}, {"identifier": "A", "content": "$\\frac{1}{3} + e$"}, {"identifier": "B", "content": "$3 + e$"}, {"identifier": "C", "content": "$3 - e$"}, {"identifier": "D", "content": "$\\frac{3}{2} + e$"}]
["C"]
null
null
204278cb-f634-49b7-aab5-39caf9d1b0c0
maths
3d-geometry
probability
Two balls are selected at random one by one without replacement from a bag containing 4 white and 6 black balls. If the probability that the first selected ball is black, given that the second selected ball is also black, is $\frac{m}{n}$, where $\gcd(m, n) = 1$, then $m + n$ is equal to:
[{"identifier": "A", "content": "4"}, {"identifier": "B", "content": "14"}, {"identifier": "C", "content": "13"}, {"identifier": "D", "content": "11"}]
["B"]
null
null
e988b658-42ea-4ae7-bbdf-be615cbcb52c
maths
3d-geometry
exponential-and-logarithm
The product of all solutions of the equation $e^{5 \log x^2 + 3} = x^8, x > 0$, is:
[{"identifier": "A", "content": "$e^{8/5}$"}, {"identifier": "B", "content": "$e^{6/5}$"}, {"identifier": "C", "content": "$e^{2}$"}, {"identifier": "D", "content": "$e$"}]
["A"]
null
null
f0f1ad4e-2071-4dce-8938-4c1fadada37b
maths
3d-geometry
coordinate-geometry
Let the triangle PQR be the image of the triangle with vertices $(1, 3), (3, 1)$ and $(2, 4)$ in the line $x + 2y = 2$. If the centroid of $\triangle PQR$ is the point $(\alpha, \beta)$, then $15(\alpha - \beta)$ is equal to:
[{"identifier": "A", "content": "19"}, {"identifier": "B", "content": "24"}, {"identifier": "C", "content": "21"}, {"identifier": "D", "content": "22"}]
["D"]
null
null
664b04f0-da33-499a-a662-520d29573c7c
maths
3d-geometry
calculus-integration
Let for $f(x) = 7 \tan^8 x + 7 \tan^6 x - 3 \tan^4 x - 3 \tan^2 x$, $I_1 = \int_{0}^{\pi/4} f(x) \, dx$ and $I_2 = \int_{0}^{\pi/4} x f(x) \, dx$. Then $7I_1 + 12I_2$ is equal to:
[{"identifier": "A", "content": "2"}, {"identifier": "B", "content": "1"}, {"identifier": "C", "content": "$2\\pi$"}, {"identifier": "D", "content": "$\\pi$"}]
["B"]
null
null
89bc55ee-62e6-4c46-b1ff-ec9357df79a0
maths
3d-geometry
conic-sections
Let the parabola $y = x^2 + px - 3$, meet the coordinate axes at the points P, Q and R. If the circle C with centre at $(\alpha, \beta)$ passes through the points P, Q and R, then the area of $\triangle PQR$ is:
[{"identifier": "A", "content": "7"}, {"identifier": "B", "content": "4"}, {"identifier": "C", "content": "3"}, {"identifier": "D", "content": "5"}]
["C"]
null
null
d747393b-66be-4c6a-a129-fad2f2e01985
maths
3d-geometry
jee-mathematics
Let $L_1 : \frac{x-1}{2} = \frac{y-2}{3} = \frac{z-3}{4}$ and $L_2 : \frac{x-3}{2} = \frac{y-4}{3} = \frac{z-5}{4}$ be two lines. Then which of the following points lies on the line of the shortest distance between $L_1$ and $L_2$?
[{"identifier": "A", "content": "$\\left( \\frac{14}{5}, -3, \\frac{22}{3} \\right)$"}, {"identifier": "B", "content": "$\\left( -\\frac{5}{3}, -7, 1 \\right)$"}, {"identifier": "C", "content": "$\\left( 2, 3, \\frac{1}{2} \\right)$"}, {"identifier": "D", "content": "$\\left( \\frac{5}{3}, -1, \\frac{1}{2} \\right)$"}]
["A"]
null
null
c485593e-f8a4-4b04-9036-b4b0f7085acc
maths
3d-geometry
jee-mathematics
Let $f(x)$ be a real differentiable function such that $f
[{"identifier": "@", "content": "= 1$ and $f(x + y) = f(x)f(y) + f'(x)f(y)$ for all $x, y \\in \\mathbb{R}$. Then $\\sum_{n=1}^{100} \\log_2 f(n)$ is equal to:"}, {"identifier": "A", "content": "2525"}, {"identifier": "B", "content": "5220"}, {"identifier": "C", "content": "2384"}, {"identifier": "D", "content": "2406"}]
["A"]
null
null
1ef41510-bd7f-4907-ad8b-7d4fcc50395d
maths
3d-geometry
jee-mathematics
From all the English alphabets, five letters are chosen and are arranged in alphabetical order. The total number of ways, in which the middle letter is 'M', is:
[]
["A"]
null
null
aeb18745-57be-4719-b72d-ec3323bc24ed
maths
3d-geometry
jee-mathematics
Using the principal values of the inverse trigonometric functions, the sum of the maximum and the minimum values of \(16 \left( \sec^{-1} x \right)^2 + \left( \cosec^{-1} x \right)^2 \) is:
[{"identifier": "A", "content": "\\(24\\pi^2\\)"}, {"identifier": "B", "content": "\\(22\\pi^2\\)"}, {"identifier": "C", "content": "\\(31\\pi^2\\)"}, {"identifier": "D", "content": "\\(18\\pi^2\\)"}]
["B"]
null
null
d0973693-11dc-4dc4-b641-a23af7fd1fe1
maths
3d-geometry
jee-mathematics
Let \(f : \mathbb{R} \rightarrow \mathbb{R}\) be a twice differentiable function such that \(f(x + y) = f(x)f(y)\) for all \(x, y \in \mathbb{R}\). If \(f'
[{"identifier": "@", "content": "= 4a\\) and \\(f\\) satisfies \\(f''(x) - 3af'(x) - f(x) = 0, a > 0\\), then the area of the region \\(R = \\{(x, y) \\mid 0 \\leq y \\leq f(ax), 0 \\leq x \\leq 2\\}\\) is:"}, {"identifier": "A", "content": "\\(e^2 - 1\\)"}, {"identifier": "B", "content": "\\(e^2 + 1\\)"}, {"identifier": "C", "content": "\\(e^4 + 1\\)"}, {"identifier": "D", "content": "\\(e^4 - 1\\)"}]
["A"]
null
null
f9fe4e71-6076-4ad0-88d5-6faae33fb0fe
maths
3d-geometry
jee-mathematics
The area of the region, inside the circle \((x - 2\sqrt{3})^2 + y^2 = 12\) and outside the parabola \(y^2 = 2\sqrt{3}x\) is:
[{"identifier": "A", "content": "\\(3\\pi + 8\\)"}, {"identifier": "B", "content": "\\(6\\pi - 16\\)"}, {"identifier": "C", "content": "\\(3\\pi - 8\\)"}, {"identifier": "D", "content": "\\(6\\pi - 8\\)"}]
["B"]
null
null
4a6f25fe-1f9c-446b-a0a2-d20848ea8c84
maths
3d-geometry
jee-mathematics
Let the foci of a hyperbola be \((1, 14)\) and \((1, -12)\). If it passes through the point \((1, 6)\), then the length of its latus-rectum is:
[{"identifier": "A", "content": "\\(\\frac{24}{5}\\)"}, {"identifier": "B", "content": "\\(\\frac{25}{9}\\)"}, {"identifier": "C", "content": "\\(\\frac{144}{5}\\)"}, {"identifier": "D", "content": "\\(\\frac{288}{5}\\)"}]
["D"]
null
null
3ccbdac9-3078-4d90-bf32-dd8d28c405cb
maths
3d-geometry
jee-mathematics
If \(\sum_{r=1}^{n} T_r = \frac{(2n-1)(2n+1)(2n+3)(2n+5)}{64}\), then \(\lim_{n \to \infty} \sum_{r=1}^{n} \left( \frac{1}{T_r} \right)\) is equal to:
[{"identifier": "A", "content": "\\(0\\)"}, {"identifier": "B", "content": "\\(\\frac{4}{3}\\)"}, {"identifier": "C", "content": "\\(1\\)"}, {"identifier": "D", "content": "\\(\\frac{1}{2}\\)"}]
["B"]
null
null
0686a602-5a84-4d9b-ae94-09884e6a8e30
maths
3d-geometry
jee-mathematics
A coin is tossed three times. Let \(X\) denote the number of times a tail follows a head. If \(\mu\) and \(\sigma^2\) denote the mean and variance of \(X\), then the value of \(64(\mu + \sigma^2)\) is:
[{"identifier": "A", "content": "\\(51\\)"}, {"identifier": "B", "content": "\\(64\\)"}, {"identifier": "C", "content": "\\(32\\)"}, {"identifier": "D", "content": "\\(48\\)"}]
["D"]
null
null
f3ef4b6f-0c2d-40db-9345-812517d65036
maths
3d-geometry
jee-mathematics
The number of non-empty equivalence relations on the set \(\{1, 2, 3\}\) is:
[{"identifier": "A", "content": "\\(6\\)"}, {"identifier": "B", "content": "\\(5\\)"}, {"identifier": "C", "content": "\\(7\\)"}, {"identifier": "D", "content": "\\(4\\)"}]
["B"]
null
null
888ff468-a611-426c-8353-8c514f90010a
maths
3d-geometry
jee-mathematics
A circle \(C\) of radius 2 lies in the second quadrant and touches both the coordinate axes. Let \(r\) be the radius of a circle that has centre at the point \((2, 5)\) and intersects the circle \(C\) at exactly two points. If the set of all possible values of \(r\) is the interval \((\alpha, \beta)\), then \(3\beta - 2\alpha\) is equal to:
[{"identifier": "A", "content": "\\(10\\)"}, {"identifier": "B", "content": "\\(15\\)"}, {"identifier": "C", "content": "\\(12\\)"}, {"identifier": "D", "content": "\\(14\\)"}]
["B"]
null
null
d3222c23-1187-43fd-8d44-339a5847e490
maths
3d-geometry
jee-mathematics
Let \(A = \{1, 2, 3, \ldots, 10\}\) and \(B = \left\{ \frac{m}{n} : m, n \in A, m < n \text{ and } \gcd(m, n) = 1 \right\}\). Then \(n(B)\) is equal to:
[{"identifier": "A", "content": "\\(36\\)"}, {"identifier": "B", "content": "\\(31\\)"}, {"identifier": "C", "content": "\\(37\\)"}, {"identifier": "D", "content": "\\(29\\)"}]
["B"]
null
null
0f735c17-069f-47a0-b141-6d20b9dc2aa5
maths
3d-geometry
jee-mathematics
Let $z_1, z_2$ and $z_3$ be three complex numbers on the circle $|z| = 1$ with $\arg(z_1) = \frac{\pi}{4}, \arg(z_2) = 0$ and $\arg(z_3) = \frac{\pi}{4}$. If $|z_1 \bar{z}_2 + z_2 \bar{z}_3 + z_3 \bar{z}_1|^2 = \alpha + \beta \sqrt{3}, \alpha, \beta \in \mathbb{Z}$, then the value of $\alpha^2 + \beta^2$ is:
[{"identifier": "A", "content": "24"}, {"identifier": "B", "content": "29"}, {"identifier": "C", "content": "41"}, {"identifier": "D", "content": "31"}]
["B"]
null
null
df79631f-6609-43dd-b1ac-013424516e62
maths
3d-geometry
jee-mathematics
Let $A$ be a square matrix of order 3 such that $\det(A) = -2$ and $\det(3 \text{adj}(-6 \text{adj}(3A))) = 2^{m+n} \cdot 3^n, m > n$. Then $4m + 2n$ is equal to ________.
[]
["b"]
null
null
239963a0-82b3-415f-8c7c-66dea1cd6c9e
maths
3d-geometry
jee-mathematics
If $\sum_{r=0}^{5} \frac{1}{2r+1} = \frac{m}{n}, \gcd(m, n) = 1$, then $m - n$ is equal to ________.
[]
["࠳"]
null
null
719ddc1e-7de1-4df5-81b0-e414c42d9dde
maths
3d-geometry
jee-mathematics
Let $\vec{c}$ be the projection vector of $\vec{b} = \lambda \hat{i} + 4\hat{k}, \lambda > 0$, on the vector $\vec{a} = 2\hat{i} + 2\hat{j} + 2\hat{k}$. If $|\vec{a} + \vec{c}| = 7$, then the area of the parallelogram formed by the vectors $\vec{b}$ and $\vec{c}$ is ________.
[]
["P"]
null
null
702b65df-7f7b-44c5-b0d9-c278927042f5
maths
3d-geometry
jee-mathematics
Let the function, $f(x) = \begin{cases} -3ax^2 - 2, & x < 1 \\ ax^2 + bx, & x \geq 1 \end{cases}$ be differentiable for all $x \in \mathbb{R}$, where $a > 1, b \in \mathbb{R}$. If the area of the region enclosed by $y = f(x)$ and the line $y = -20$ is $\alpha + \beta \sqrt{3}, \alpha, \beta \in \mathbb{Z}$, then the value of $\alpha + \beta$ is ________.
[]
["b"]
null
null
a721a0ed-f380-415a-847b-92fb2201fc16
maths
3d-geometry
jee-mathematics
Let $L_1 : z = \frac{-1}{8} = \frac{z+1}{0}$ and $L_2 : z = \frac{-2}{3} = \frac{z+4}{1}, \alpha \in \mathbb{R}$, be two lines, which intersect at the point $B$. If $P$ is the foot of perpendicular from the point $A(1, 1, -1)$ on $L_2$, then the value of $26\alpha(\text{PB})^2$ is ________.
[]
["Ę"]
null
null
ec9be866-f5d0-4250-8a11-f61a959bc365
maths
3d-geometry
sequences-and-series
Let \( f(x) = \int_0^1 (t^2 - 9t + 20)\,dt, \quad 1 \leq x \leq 5. \) If the range of \( f \) is \([\alpha, \beta]\), then \( 4(\alpha + \beta) \) equals:
[{"identifier": "A", "content": "253"}, {"identifier": "B", "content": "154"}, {"identifier": "C", "content": "125"}, {"identifier": "D", "content": "157"}]
["D"]
null
null
35e5cab3-72da-45e2-8679-11c34e004f13
maths
3d-geometry
differential-equations
Let \( \vec{a} \) be a unit vector perpendicular to the vectors \( \vec{b} = \hat{i} - 2\hat{j} + 3\hat{k} \) and \( \vec{c} = 2\hat{i} + 3\hat{j} - \hat{k} \), and makes an angle of \( \cos^{-1}\left(-\frac{1}{2}\right) \) with the vector \( \hat{i} + \hat{j} + \hat{k} \). If \( \vec{a} \) makes an angle of \( \frac{\pi}{3} \) with the vector \( \hat{i} + \alpha\hat{j} + \hat{k} \), then the value of \( \alpha \) is:
[{"identifier": "A", "content": "\\( \\sqrt{6} \\)"}, {"identifier": "B", "content": "\\( -\\sqrt{6} \\)"}, {"identifier": "C", "content": "\\( -\\sqrt{3} \\)"}, {"identifier": "D", "content": "\\( \\sqrt{3} \\)"}]
["B"]
null
null
368b2e82-01b2-485e-9cde-e017dcb43030
maths
3d-geometry
probability
If for the solution curve \( y = f(x) \) of the differential equation \( \frac{dy}{dx} + (\tan x)y = \frac{2 + \sec x}{(1 + 2\sec x)^2} \), \( x \in \left(-\frac{\pi}{2}, \frac{\pi}{2}\right) \), then \( f\left(\frac{\pi}{4}\right) \) is equal to:
[{"identifier": "A", "content": "\\( \\frac{\\sqrt{3} - 1}{10(4+\\sqrt{3})} \\)"}, {"identifier": "B", "content": "\\( \\frac{\\sqrt{3} - 1}{2\\sqrt{3} - 2} \\)"}, {"identifier": "C", "content": "\\( \\frac{\\sqrt{3} - 1}{10(4+\\sqrt{3})} \\)"}, {"identifier": "D", "content": "\\( \\frac{5 - \\sqrt{3}}{14} \\)"}]
["D"]
null
null
034ed0dc-97f8-4959-a406-a0402b39512c
maths
3d-geometry
exponential-and-logarithm
Let \( P \) be the foot of the perpendicular from the point \( (1, 2, 2) \) on the line \( L : \frac{x-1}{1} = \frac{y+1}{2} = \frac{z-2}{2} \). Let the line \( \vec{r} = (-\hat{i} + \hat{j} - 2\hat{k}) + \lambda(\hat{i} - \hat{j} + \hat{k}), \lambda \in \mathbb{R} \), intersect the line \( L \) at \( Q \). Then \( 2(PQ)^2 \) is equal to:
[{"identifier": "A", "content": "25"}, {"identifier": "B", "content": "19"}, {"identifier": "C", "content": "29"}, {"identifier": "D", "content": "27"}]
["D"]
null
null
c6fa73d4-22f1-4c73-9a85-06f42c3d90b0
maths
3d-geometry
coordinate-geometry
Let \( A = [a_{ij}] \) be a matrix of order \( 3 \times 3 \), with \( a_{ij} = (\sqrt{2})^{i+j} \). If the sum of all the elements in the third row of \( A^2 \) is \( \alpha + \beta\sqrt{2} \), \( \alpha, \beta \in \mathbb{Z} \), then \( \alpha + \beta \) is equal to:
[{"identifier": "A", "content": "280"}, {"identifier": "B", "content": "224"}, {"identifier": "C", "content": "210"}, {"identifier": "D", "content": "168"}]
["B"]
null
null
906f9a68-1701-442f-b6d5-09686497c68e
maths
3d-geometry
calculus-integration
Let the line \( x + y = 1 \) meet the axes of \( x \) and \( y \) at \( A \) and \( B \), respectively. A right angled triangle \( AMN \) is inscribed in the triangle \( OAB \), where \( O \) is the origin and the points \( M \) and \( N \) lie on the lines \( OB \) and \( AB \), respectively. If the area of the triangle \( AMN \) is \( \frac{4}{5} \) of the area of the triangle \( OAB \) and \( AN : NB = \lambda : 1 \), then the sum of all possible value(s) of \( \lambda \) is:
[{"identifier": "A", "content": "2"}, {"identifier": "B", "content": "\\( \\frac{5}{2} \\)"}, {"identifier": "C", "content": "\\( \\frac{1}{2} \\)"}, {"identifier": "D", "content": "\\( \\frac{13}{6} \\)"}]
["A"]
null
null
b7a6bf6c-1bc0-4cc2-95f9-a5d50b065ec6
maths
3d-geometry
conic-sections
If all the words with or without meaning made using all the letters of the word "KANPUR" are arranged in a dictionary, then the word at 440th position in this arrangement, is:
[{"identifier": "A", "content": "PRNAUK"}, {"identifier": "B", "content": "PRKANU"}, {"identifier": "C", "content": "PRKAUN"}, {"identifier": "D", "content": "PRNAUK"}]
["C"]
null
null
ef21afd8-084b-4d2b-bdaa-3802ac96f2b5
maths
3d-geometry
jee-mathematics
If the set of all \( a \in \mathbb{R} \), for which the equation \( 2x^2 + (a - 5)x + 15 = 3a \) has no real root, is the interval \((\alpha, \beta)\), and \( X = \{x \in \mathbb{Z} : \alpha < x < \beta\} \), then \( \sum_{x \in X} x^2 \) is equal to:
[{"identifier": "A", "content": "2109"}, {"identifier": "B", "content": "2129"}, {"identifier": "C", "content": "2119"}, {"identifier": "D", "content": "2139"}]
["D"]
null
null
871bdfa7-de89-4ac4-a10f-ae86f6d7ca3e
maths
3d-geometry
jee-mathematics
Let \( A = [a_{ij}] \) be a \( 2 \times 2 \) matrix such that \( a_{ij} \in \{0, 1\} \) for all \( i \) and \( j \). Let the random variable \( X \) denote the possible values of the determinant of the matrix \( A \). Then, the variance of \( X \) is:
[]
["C"]
null
null
dd382693-5904-47f1-adae-2d25135a2a52
maths
3d-geometry
jee-mathematics
Let the function \( f(x) = (x^2 + 1) \left|x^2 - ax + 2 \right| + \cos |x| \) be not differentiable at the two points \( x = \alpha = 2 \) and \( x = \beta \). Then the distance of the point \((\alpha, \beta)\) from the line \(12x + 5y + 10 = 0\) is equal to:
[{"identifier": "A", "content": "5"}, {"identifier": "B", "content": "4"}, {"identifier": "C", "content": "3"}, {"identifier": "D", "content": "2"}]
["C"]
null
null
5eb60c4b-a5ad-4f28-9aa2-d26655ee2b96
maths
3d-geometry
jee-mathematics
Let the area enclosed between the curves \( |y| = 1 - x^2 \) and \( x^2 + y^2 = 1 \) be \( \alpha \). If \( 9\alpha = \beta \pi + \gamma \), \( \beta, \gamma \) are integers, then the value of \(|\beta - \gamma|\) equals.
[{"identifier": "A", "content": "27"}, {"identifier": "B", "content": "33"}, {"identifier": "C", "content": "15"}, {"identifier": "D", "content": "18"}]
["B"]
null
null
be10c500-adb2-4a82-b9a7-c768ae0f1c50
maths
3d-geometry
jee-mathematics
The remainder, when \( 7^{10^3} \) is divided by 23, is equal to:
[{"identifier": "A", "content": "6"}, {"identifier": "B", "content": "17"}, {"identifier": "C", "content": "9"}, {"identifier": "D", "content": "14"}]
["D"]
null
null
b45bc7e2-fdf6-47e8-b2b9-962e11c3f8f4
maths
3d-geometry
jee-mathematics
If \( \alpha x + \beta y = 109 \) is the equation of the chord of the ellipse \( \frac{x^2}{\alpha} + \frac{y^2}{\beta} = 1 \), whose mid point is \( \left( \frac{1}{2}, \frac{1}{4} \right) \), then \( \alpha + \beta \) is equal to:
[{"identifier": "A", "content": "58"}, {"identifier": "B", "content": "46"}, {"identifier": "C", "content": "37"}, {"identifier": "D", "content": "72"}]
["A"]
null
null
dcddf043-98de-4a82-8127-0f309a5b5588
maths
3d-geometry
jee-mathematics
If the domain of the function \( \log_5 (18x - x^2 - 77) \) is \( (\alpha, \beta) \) and the domain of the function \( \log(x-1) \left( \frac{2x^2 + 3x - 2}{x^2 - 3x - 4} \right) \) is \( (\gamma, \delta) \), then \( \alpha^2 + \beta^2 + \gamma^2 \) is equal to:
[{"identifier": "A", "content": "195"}, {"identifier": "B", "content": "179"}, {"identifier": "C", "content": "186"}, {"identifier": "D", "content": "174"}]
["C"]
null
null
67f0e924-1075-4881-be6e-0567d5b1cb9c
maths
3d-geometry
jee-mathematics
Let a circle \( C \) pass through the points \( (4, 2) \) and \( (0, 2) \), and its centre lie on \( 3x + 2y + 2 = 0 \). Then the length of the chord, of the circle \( C \), whose mid-point is \( (1, 2) \), is:
[{"identifier": "A", "content": "\\( \\sqrt{3} \\)"}, {"identifier": "B", "content": "\\( 2\\sqrt{2} \\)"}, {"identifier": "C", "content": "\\( 2\\sqrt{3} \\)"}, {"identifier": "D", "content": "\\( 4\\sqrt{2} \\)"}]
["C"]
null
null
a622af54-b6f8-49d7-a20d-cb4055c187a8
maths
3d-geometry
jee-mathematics
Let a straight line \( L \) pass through the point \( P(2, -1, 3) \) and be perpendicular to the lines \( \frac{x-1}{2} = \frac{y+1}{1} = \frac{z-3}{-2} \) and \( \frac{x-3}{1} = \frac{y-2}{-1} = \frac{z+2}{4} \). If the line \( L \) intersects the \( yz \)-plane at the point \( Q \), then the distance between the points \( P \) and \( Q \) is:
[{"identifier": "A", "content": "\\( \\sqrt{10} \\)"}, {"identifier": "B", "content": "\\( 2\\sqrt{3} \\)"}, {"identifier": "C", "content": "2"}, {"identifier": "D", "content": "3"}]
["D"]
null
null
bf95aebc-42f7-48ac-8f31-59073d69fc4e
maths
3d-geometry
jee-mathematics
Bag 1 contains 4 white balls and 5 black balls, and Bag 2 contains \( n \) white balls and 3 black balls. One ball is drawn randomly from Bag 1 and transferred to Bag 2. A ball is then drawn randomly from Bag 2. If the probability, that the ball drawn is white, is \( \frac{29}{45} \), then \( n \) is equal to:
[{"identifier": "A", "content": "6"}, {"identifier": "B", "content": "3"}, {"identifier": "C", "content": "5"}, {"identifier": "D", "content": "4"}]
["A"]
null
null
f2175a59-df34-4c91-9c7d-d9880d79d3a5
maths
3d-geometry
jee-mathematics
Let $\alpha, \beta (\alpha \neq \beta)$ be the values of $m$, for which the equations $x + y + z = 1, x + 2y + 4z = m$ and $x + 4y + 10z = m^2$ have infinitely many solutions. Then the value of $\sum_{n=1}^{10} (n^\alpha + n^\beta)$ is equal to:
[{"identifier": "A", "content": "3080"}, {"identifier": "B", "content": "560"}, {"identifier": "C", "content": "3410"}, {"identifier": "D", "content": "440"}]
["D"]
null
null
c74e8625-9c18-429e-9232-354a6a6c0d5e
maths
3d-geometry
jee-mathematics
Let $S = N \cup \{0\}$. Define a relation $R$ from $S$ to $R$ by $R = \{ (x, y) : \log_e y = x \log_e \left( \frac{2}{3} \right), x \in S, y \in R \}$ Then, the sum of all the elements in the range of $R$ is equal to:
[{"identifier": "A", "content": "$\\frac{10}{9}$"}, {"identifier": "B", "content": "$\\frac{5}{2}$"}, {"identifier": "C", "content": "$\\frac{\\sqrt{3}}{2}$"}, {"identifier": "D", "content": "$\\frac{1}{3}$"}]
["D"]
null
null
83fc3287-ea27-433e-9432-41a5ccc19e93
maths
3d-geometry
jee-mathematics
If $\sin x + \sin^2 x = 1, x \in \left(0, \frac{\pi}{2}\right)$, then $(\cos^{12} x + x \tan^{12} x) + 3 (\cos^{10} x + \tan^{10} x + \cos^8 x + \tan^8 x) + (\cos^6 x + \tan^6 x)$ is equal to:
[{"identifier": "A", "content": "4"}, {"identifier": "B", "content": "$\\frac{4}{3}$"}, {"identifier": "C", "content": "3"}, {"identifier": "D", "content": "2"}]
["D"]
null
null
0b94f03a-6e37-44d4-a32e-639768bcf41a
maths
3d-geometry
jee-mathematics
If $24 \int_0^\frac{\pi}{3} (\sin 4x - \frac{1}{12}) + (2 \sin x) \ dx = 2\pi + \alpha$, where $[\cdot]$ denotes the greatest integer function, then $\alpha$ is equal to ________.
[]
["L"]
null
null
9d8c9921-7ad2-44e5-9db4-f0e957421b1c
maths
3d-geometry
jee-mathematics
Let $a_1, a_2, \ldots, a_{2024}$ be an Arithmetic Progression such that $a_1 + (a_5 + a_{10} + a_{15} + \ldots + a_{2020}) + a_{2024} = 2233$. Then $a_1 + a_2 + a_3 + \ldots + a_{2024}$ is equal to ________.
[]
["⮼"]
null
null
96f0e2bd-4dc5-475b-96c4-95e9dd872243
maths
3d-geometry
jee-mathematics
If $\lim_{x \to 0} \left( \int_0^1 (3x + 5)^4 \ dx \right)^{\frac{1}{5}} = \frac{a}{5^\alpha} \left( \frac{6}{5} \right)^\frac{\beta}{5}$, then $\alpha$ is equal to ________.
[]
["€"]
null
null
d1f5c97d-292a-41fb-bcdc-9b2129e4281c
maths
3d-geometry
jee-mathematics
Let $y^2 = 12x$ be the parabola and $S$ be its focus. Let $PQ$ be a focal chord of the parabola such that $(\text{SP})(\text{SQ}) = 144$. Let $C$ be the circle described taking $PQ$ as a diameter. If the equation of a circle $C$ is $64x^2 + 64y^2 - 16x - 64\sqrt{3}y = \beta$, then $\beta - \alpha$ is equal to ________.
[]
["հ"]
null
null
608cb694-9676-4e36-80d5-45ee0c8e75c6
maths
3d-geometry
jee-mathematics
Let integers $a, b \in [-3, 3]$ be such that $a + b \neq 0$. Then the number of all possible ordered pairs $(a, b)$, for which $|\frac{x - a}{x + b}| = 1$ and $\begin{vmatrix} z + 1 & \omega & \omega^2 \\ \omega & z + \omega^2 & 1 \\ \omega^2 & 1 & z + \omega \end{vmatrix} = 1, z \in \mathbb{C}$, where $\omega$ and $\omega^2$ are the roots of $x^2 + x + 1 = 0$, is equal to ________.
[]
["J"]
null
null
d0af9cd1-adf9-44e6-b6d2-687330d7feaf
maths
3d-geometry
sequences-and-series
For a $3 \times 3$ matrix $M$, let trace ($M$) denote the sum of all the diagonal elements of $M$. Let $A$ be a $3 \times 3$ matrix such that $|A| = \frac{1}{2}$ and trace ($A$) = 3. If $B = \text{adj(adj}(2A))$, then the value of $|B| + \text{trace (B)}$ equals: 1. 56 2. 132 3. 174 4. 280
[]
["D"]
null
null
543e2004-2c62-40f4-be96-639a9ead7604
maths
3d-geometry
differential-equations
In a group of 3 girls and 4 boys, there are two boys $B_1$ and $B_2$. The number of ways, in which these girls and boys can stand in a queue such that all the girls stand together, all the boys stand together, but $B_1$ and $B_2$ are not adjacent to each other, is: 1. 96 2. 144 3. 120 4. 72
[]
["B"]
null
null
f2b30fa8-86b8-4027-91a1-dc1625cab997
maths
3d-geometry
probability
Let $\alpha, \beta, \gamma$ and $\delta$ be the coefficients of $x^7, x^5, x^3$ and $x$ respectively in the expansion of $(x + \sqrt{x^3 - 1})^5 + (x - \sqrt{x^3 - 1})^5, x > 1$. If $u$ and $v$ satisfy the equations $\alpha u + \beta v = 18$ and $\gamma u + \delta v = 20$, then $u + v$ equals: 1. 5 2. 4 3. 3 4. 8
[]
["A"]
null
null
64133d32-f5f1-47e1-97c0-7f990cae9160
maths
3d-geometry
exponential-and-logarithm
Let a line pass through two distinct points $P(-2, -1, 3)$ and $Q$, and be parallel to the vector $3\hat{i} + 2\hat{j} + 2\hat{k}$. If the distance of the point $Q$ from the point $R(1, 3, 3)$ is 5, then the area of the triangle $\Delta PQR$ is equal to: 1. 148 2. 136 3. 144 4. 140
[]
["B"]
null
null
1213b036-8cd7-477e-9318-558044637164
maths
3d-geometry
coordinate-geometry
If $A$ and $B$ are two events such that $P(A \cap B) = 0.1$, and $P(A \mid B)$ and $P(B \mid A)$ are the roots of the equation $12x^2 - 7x + 1 = 0$, then the value of $\frac{P(A \cup B)}{P(A \cap B)}$ is: 1. $\frac{4}{3} 2. \frac{7}{4} 3. \frac{5}{3} 4. \frac{3}{4}$
[]
["D"]
null
null
b346e320-6ede-4419-8068-12e151527048
maths
3d-geometry
calculus-integration
If $\int e^x \left( \frac{x^2 - 1}{\sqrt{1-x^2}} + \frac{x^2 - 1}{\sqrt{1-x^2}} \right) dx = g(x) + C$, where $C$ is the constant of integration, then $g \left( \frac{1}{2} \right)$ equals: 1. $\frac{\pi}{4} \sqrt{\frac{e}{3}}$ 2. $\frac{\pi}{6} \sqrt{\frac{e}{3}}$ 3. $\frac{\pi}{4} \sqrt{\frac{e}{3}}$ 4. $\frac{\pi}{6} \sqrt{\frac{e}{3}}$
[]
["B"]
null
null
8b63e5f8-b075-4142-a8de-2419cd1f1a99
maths
3d-geometry
conic-sections
The area of the region enclosed by the curves $y = x^2 - 4x + 4$ and $y^2 = 16 - 8x$ is: 1. $\frac{8}{3}$ 2. $\frac{4}{3}$ 3. 8 4. $\frac{3}{2}$
[]
["A"]
null
null
353189b4-26ef-42bc-8232-2c2905826d29
maths
3d-geometry
jee-mathematics
Let $f(x) = \int_0^x t^2 \frac{t^2 - 8 + 16}{t^2} dt, x \in \mathbb{R}$. Then the numbers of local maximum and local minimum points of $f$, respectively, are: 1. 2 and 3 2. 2 and 1 3. 3 and 2 4. 1 and 3
[]
["A"]
null
null
6050b2c9-2f29-428b-b1a2-645018469c78
maths
3d-geometry
jee-mathematics
Let $P(4, 4\sqrt{3})$ be a point on the parabola $y^2 = 4ax$ and $PQ$ be a focal chord of the parabola. If $M$ and $N$ are the foot of perpendiculars drawn from $P$ and $Q$ respectively on the directrix of the parabola, then the area of the quadrilateral PQMN is equal to:
[]
["D"]
null
null
69f6b4c7-326e-4b13-8b97-e761e52bfd89
maths
3d-geometry
jee-mathematics
Let \( \mathbf{a} \) and \( \mathbf{b} \) be two unit vectors such that the angle between them is \( \frac{\pi}{3} \). If \( \lambda \mathbf{a} + 2\mathbf{b} \) and \( 3\mathbf{a} - \lambda \mathbf{b} \) are perpendicular to each other, then the number of values of \( \lambda \) in \([-1, 3]\) is: 1. 2 2. 1 3. 0 4. 3
[]
["C"]
null
null
f663e627-ddd3-4c39-b7b9-111eee8e8269
maths
3d-geometry
jee-mathematics
If \( \lim_{x \to \infty} \left( \left( \frac{x}{1-x} \right) \left( \frac{1-x}{x+2} \right) \right)^x = \alpha \), then the value of \( \log_x \alpha \) equals: 1. \( e^{-1} \) 2. \( e^2 \) 3. \( e^4 \) 4. \( e^6 \)
[]
["D"]
null
null
437d1d0a-9050-4f22-aae3-8dc8b2421add
maths
3d-geometry
jee-mathematics
Let \( A = \{1, 2, 3, 4\} \) and \( B = \{1, 4, 9, 16\} \). Then the number of many-one functions \( f : A \to B \) such that \( 1 \in f(A) \) is equal to: 1. 151 2. 139 3. 163 4. 127
[]
["A"]
null
null
f4001f0f-9413-4ab1-a8f0-30257539b847
maths
3d-geometry
jee-mathematics
Suppose that the number of terms in an A.P. is \( 2k, k \in N \). If the sum of all odd terms of the A.P. is 40, the sum of all even terms is 55 and the last term of the A.P. exceeds the first term by 27, then \( k \) is equal to: 1. 6 2. 5 3. 8 4. 4
[]
["B"]
null
null
271e1d93-bac3-4328-89f9-785cd030d496
maths
3d-geometry
jee-mathematics
The perpendicular distance, of the line \( \frac{x-1}{2} = \frac{y+2}{-1} = \frac{z+3}{2} \) from the point \( P(2, -10, 1) \), is: 1. \( 4\sqrt{3} \) 2. \( 5\sqrt{2} \) 3. \( 4\sqrt{3} \) 4. \( 3\sqrt{5} \)
[]
["D"]
null
null
feab3b23-dde2-40ee-b7d3-26b1a5a545a3
maths
3d-geometry
jee-mathematics
The system of linear equations: \[ \begin{align*} x + y + 2z &= 6 \\ -2x + 3y + az &= a + 1 \\ 7a + 3b &= 0 \end{align*} \] If the system of linear equations: \( 2x + 3y + az = a + 1 \) where \( a, b \in \mathbb{R} \), has infinitely many solutions, then \( 7a + 3b \) is equal to: 1. 16 2. 12 3. 22 4. 9
[]
["A"]
null
null
08e5060e-dc0a-454f-b789-9af233997119
maths
3d-geometry
jee-mathematics
If \( x = f(y) \) is the solution of the differential equation \( (1 + y^2) + \left( x - 2e^{\tan^{-1} y} \right) \frac{dy}{dx} = 0 \), \( y \in \left( -\frac{\pi}{2}, \frac{\pi}{2} \right) \) with \( f
[{"identifier": "@", "content": "= 1 \\), then \\( f \\left( \\frac{1}{\\sqrt{3}} \\right) \\) is equal to:\n\n1. \\( e^{\\pi/12} \\)\n2. \\( e^{\\pi/4} \\)\n3. \\( e^{\\pi/3} \\)\n4. \\( e^{\\pi/6} \\)"}]
["D"]
null
null
0a58d51f-1bc6-488d-8536-9c62d69bbd89
maths
3d-geometry
jee-mathematics
Let \( \alpha_\theta \) and \( \beta_\theta \) be the distinct roots of \( 2x^2 + (\cos \theta)x - 1 = 0, \theta \in (0, 2\pi) \). If \( m \) and \( M \) are the minimum and the maximum values of \( \alpha^4_\theta + \beta^4_\theta \), then \( 16(M + m) \) equals: 1. 24 2. 25 3. 17 4. 27
[]
["B"]
null
null
ba446548-3c5e-434a-a4f9-ff93210e0167
maths
3d-geometry
jee-mathematics
The sum of all values of \( \theta \in [0, 2\pi] \) satisfying \( 2\sin^2 \theta = \cos 2\theta \) and \( 2\cos^2 \theta = 3\sin \theta \) is
[]
["C"]
null
null
7061bd67-c3b7-4aca-9919-70c9af344083
maths
3d-geometry
jee-mathematics
Let the curve \( z(1 + i) + \bar{z}(1 - i) = 4 \), \( z \in \mathbb{C} \), divide the region \( |z - 3| \leq 1 \) into two parts of areas \( \alpha \) and \( \beta \). Then \( |\alpha - \beta| \) equals:
[{"identifier": "A", "content": "\\( 1 + \\frac{\\pi}{2} \\)"}, {"identifier": "B", "content": "\\( 1 + \\frac{\\pi}{3} \\)"}, {"identifier": "C", "content": "\\( 1 + \\frac{\\pi}{6} \\)"}, {"identifier": "D", "content": "\\( 1 + \\frac{\\pi}{4} \\)"}]
["A"]
null
null
4108dd5f-fa57-4844-b135-30ab0af558d1
maths
3d-geometry
jee-mathematics
Let \( E: \frac{x^2}{a^2} + \frac{y^2}{b^2} = 1, a > b \) and \( H: \frac{x^2}{A^2} - \frac{y^2}{B^2} = 1 \). Let the distance between the foci of \( E \) and the foci of \( H \) be \( 2\sqrt{3} \). If \( a - A = 2 \), and the ratio of the eccentricities of \( E \) and \( H \) is \( \frac{1}{3} \), then the sum of the lengths of their latus rectums is equal to:
[{"identifier": "A", "content": "10"}, {"identifier": "B", "content": "9"}, {"identifier": "C", "content": "8"}, {"identifier": "D", "content": "7"}]
["C"]
null
null
632756dd-ef72-4259-b346-9f43bb1fa419
maths
3d-geometry
jee-mathematics
If \( \sum_{r=1}^{30} \frac{r^3 (\cos \alpha)^2}{30C_r} = \alpha \times 2^{29} \), then \( \alpha \) is equal to _______.
[]
["ȑ"]
null
null
ccc20cc0-9a53-4c5b-8326-1b1a7627d330
maths
3d-geometry
jee-mathematics
Let \( A = \{1, 2, 3\} \). The number of relations on \( A \), containing (1, 2) and (2, 3), which are reflexive and transitive but not symmetric, is _______.
[]
["C"]
null
null
488b8dc9-101e-496c-8d75-9e350b0b7330
maths
3d-geometry
jee-mathematics
Let \( A(6, 8), B(10 \cos \alpha, -10 \sin \alpha), C(-10 \sin \alpha, 10 \cos \alpha) \), be the vertices of a triangle. If \( L(a, 9) \) and \( G(h, k) \) be its orthocenter and centroid respectively, then \( 5a - 3h + 6k + 100 \sin 2\alpha \) is equal to _______.
[]
["Ñ"]
null
null
436d0a30-99f4-4a87-a9a3-3acecad4694f
maths
3d-geometry
jee-mathematics
Let \( y = f(x) \) be the solution of the differential equation \( \frac{dy}{dx} + \frac{xy}{x^2 - 1} = \frac{x^2 + 4x}{\sqrt{1-x^2}}, -1 < x < 1 \) such that \( f
[{"identifier": "@", "content": "= 0 \\). If \\( \\int_{-1/2}^{1/2} f(x)dx = 2\\pi - \\alpha \\) then \\( \\alpha^2 \\) is equal to _______."}]
["["]
null
null
bc79b31f-ddd7-4251-b859-b65f546db58f
maths
3d-geometry
jee-mathematics
Let the distance between two parallel lines be 5 units and a point \( P \) lie between the lines at a unit distance from one of them. An equilateral triangle \( PQR \) is formed such that \( Q \) lies on one of the parallel lines, while \( R \) lies on the other. Then \( (QR)^2 \) is equal to _______.
[]
["\"]
null
null
33da9282-3bcc-4fd5-a591-c018b712af39
maths
3d-geometry
sequences-and-series
If the first term of an A.P. is 3 and the sum of its first four terms is equal to one-fifth of the sum of the next four terms, then the sum of the first 20 terms is equal to -
[{"identifier": "A", "content": "$-1080$\n-"}, {"identifier": "B", "content": "$-1020$\n-"}, {"identifier": "C", "content": "$-1200$\n-"}, {"identifier": "D", "content": "$-120$"}]
["A"]
null
null
4b9c830a-1db7-457c-851b-edd3a124ed9b
maths
3d-geometry
differential-equations
One die has two faces marked 1, two faces marked 2, one face marked 3 and one face marked 4. Another die has one face marked 1, two faces marked 2, two faces marked 3 and one face marked 4. The probability of getting the sum of numbers to be 4 or 5, when both the dice are thrown together, is -
[{"identifier": "A", "content": "$\\frac{3}{16}$\n-"}, {"identifier": "B", "content": "$\\frac{1}{4}$\n-"}, {"identifier": "C", "content": "$\\frac{3}{8}$\n-"}, {"identifier": "D", "content": "$\\frac{5}{8}$"}]
["B"]
null
null
d005ece7-0f50-42ba-ba3d-103b927db487
maths
3d-geometry
probability
Let the position vectors of the vertices $A, B$ and $C$ of a tetrahedron $ABCD$ be $\mathbf{i} + 2\mathbf{j} + \mathbf{k}, \mathbf{i} + 3\mathbf{j} = 2\hat{k}$ and $2\mathbf{i} + \mathbf{j} - \mathbf{k}$ respectively. The altitude from the vertex $D$ to the opposite face $ABC$ meets the median line segment through $A$ of the triangle $ABC$ at the point $E$. If the length of $AD$ is $\frac{\sqrt{11}}{3}$ and the volume of the tetrahedron is $\frac{\sqrt{805}}{6}$, then the position vector of $E$ is -
[{"identifier": "A", "content": "$\\frac{1}{3}(7\\mathbf{i} + 4\\mathbf{j} + 3\\mathbf{k})$\n-"}, {"identifier": "B", "content": "$\\frac{1}{3}(i + 4\\mathbf{j} + 7\\mathbf{k})$\n-"}, {"identifier": "C", "content": "$\\frac{1}{3}(12\\mathbf{i} + 12\\mathbf{j} + \\mathbf{k})$\n-"}, {"identifier": "D", "content": "$\\frac{1}{3}(7\\mathbf{i} + 12\\mathbf{j} + \\mathbf{k})$"}]
["D"]
null
null
a67dad96-e96b-4ce7-85be-94ffe8b32a82
maths
3d-geometry
exponential-and-logarithm
If $A, B,$ and $(\text{adj} (A^{-1}) + \text{adj} (B^{-1}))$ are non-singular matrices of same order, then the inverse of $A (\text{adj} (A^{-1}) + \text{adj} (B^{-1}))^{-1} B$, is equal to -
[{"identifier": "A", "content": "$AB^{-1} + A^{-1}B$\n-"}, {"identifier": "B", "content": "$\\text{adj} (B^{-1}) + \\text{adj} (A^{-1})$\n-"}, {"identifier": "C", "content": "$\\frac{AB^{-1}}{|A|} + \\frac{BA^{-1}}{|B|}$\n-"}, {"identifier": "D", "content": "$\\frac{1}{|A|}(\\text{adj}(B) + \\text{adj}(A))$"}]
["D"]
null
null
dfdcc2d4-1d85-4c3d-8742-880b5d5a0361
maths
3d-geometry
coordinate-geometry
Marks obtained by all the students of class 12 are presented in a frequency distribution with classes of equal width. Let the median of this grouped data be 14 with median class interval 12-18 and median class frequency 12. If the number of students whose marks are less than 12 is 18, then the total number of students is -
[{"identifier": "A", "content": "52\n-"}, {"identifier": "B", "content": "48\n-"}, {"identifier": "C", "content": "44\n-"}, {"identifier": "D", "content": "40"}]
["C"]
null
null
b4c9d3a5-15e8-4d30-acb3-da063db14b28
maths
3d-geometry
calculus-integration
Let a curve $y = f(x)$ pass through the points $(0, 5)$ and $(\log_e 2, k)$. If the curve satisfies the differential equation $2(3 + y)e^{2x} dx - (7 + e^{2x}) dy = 0$, then $k$ is equal to -
[{"identifier": "A", "content": "4\n-"}, {"identifier": "B", "content": "32\n-"}, {"identifier": "C", "content": "8\n-"}, {"identifier": "D", "content": "16"}]
["C"]
null
null
625f1ae5-596c-4639-b134-7a15eaf01b76
maths
3d-geometry
conic-sections
If the function $f(x) = \begin{cases} \frac{2}{x} \sin (k_1 x + k_2 - 1) x, & x < 0 \\ 4, & x = 0 \\ \frac{2}{x} \log_e (\frac{2 + k_2 x}{2 + k_2 x}), & x > 0 \end{cases}$ is continuous at $x = 0$, then $k_1^2 + k_2^2$ is equal to -
[{"identifier": "A", "content": "20\n-"}, {"identifier": "B", "content": "5\n-"}, {"identifier": "C", "content": "8\n-"}, {"identifier": "D", "content": "10"}]
["D"]
null
null
163a7d1a-cecf-4f07-b8b1-44147f0dbf64
maths
3d-geometry
jee-mathematics
If the line $3x - 2y + 12 = 0$ intersects the parabola $4y = 3x^2$ at the points $A$ and $B$, then at the vertex of the parabola, the line segment $AB$ subtends an angle equal to
[]
["B"]
null
null
c4a0c746-1002-404f-acaf-9bae1604d83c
maths
3d-geometry
jee-mathematics
Let \( P \) be the foot of the perpendicular from the point \( Q(10, -3, -1) \) on the line \( \frac{x-3}{7} = \frac{y-2}{1} = \frac{z+1}{2} \). Then the area of the right angled triangle \( PQR \), where \( R \) is the point \((3, -2, 1)\), is \begin{align*}
[{"identifier": "A", "content": "\\ 9\\sqrt{15} & & \\quad"}, {"identifier": "B", "content": "\\ \\sqrt{30} \\\\"}, {"identifier": "C", "content": "\\ 8\\sqrt{15} & & \\quad"}, {"identifier": "D", "content": "\\ 3\\sqrt{30}\n\\end{align*}"}]
["D"]
null
null
496fa60a-2674-400d-86ac-c5d00bc38dfb
maths
3d-geometry
jee-mathematics
Let the arc \( AC \) of a circle subtend a right angle at the centre \( O \). If the point \( B \) on the arc \( AC \), divides the arc \( AC \) such that \( \frac{\text{length of arc } AB}{\text{length of arc } BC} = \frac{1}{5} \), and \( \overrightarrow{OC} = \alpha\overrightarrow{OA} + \beta\overrightarrow{OB} \), then \( \alpha + \sqrt{2(\sqrt{3} - 1)}\beta \) is equal to \begin{align*}
[{"identifier": "A", "content": "\\ 2\\sqrt{3} & & \\quad"}, {"identifier": "B", "content": "\\ 2 - \\sqrt{3} \\\\"}, {"identifier": "C", "content": "\\ 5\\sqrt{3} & & \\quad"}, {"identifier": "D", "content": "\\ 2 + \\sqrt{3}\n\\end{align*}"}]
["B"]
null
null
9ff44630-babd-4c87-9b8b-2e76dfc56d37
maths
3d-geometry
jee-mathematics
Let \( f(x) = \log_2 x \) and \( g(x) = \frac{x^4 - 2x^3 + 3x^2 - 2x + 2}{2x^2 - 2x + 1} \). Then the domain of \( f \circ g \) is \begin{align*}
[{"identifier": "A", "content": "\\ [0, \\infty) & & \\quad"}, {"identifier": "B", "content": "\\ [1, \\infty) \\\\"}, {"identifier": "C", "content": "\\ (0, \\infty) & & \\quad"}, {"identifier": "D", "content": "\\ \\mathbb{R}\n\\end{align*}"}]
["D"]
null
null
6520cadb-f7b1-49f3-870d-ece5223a1e99
maths
3d-geometry
jee-mathematics
\((\lambda - 1)x + (\lambda - 4)y + \lambda z = 5 \) If the system of equations \( \lambda x + (\lambda - 1)y + (\lambda - 4)z = 7 \) has infinitely many solutions, then \( \lambda^2 + \lambda \) is equal to \begin{align*}
[{"identifier": "A", "content": "\\ 6 & & \\quad"}, {"identifier": "B", "content": "\\ 10 \\\\"}, {"identifier": "C", "content": "\\ 20 & & \\quad"}, {"identifier": "D", "content": "\\ 12\n\\end{align*}"}]
["D"]
null
null
57278625-22b7-460b-9c6d-85e0cb9de522
maths
3d-geometry
jee-mathematics
The number of words, which can be formed using all the letters of the word "DAUGHTER", so that all the vowels never come together, is \begin{align*}
[{"identifier": "A", "content": "\\ 36000 & & \\quad"}, {"identifier": "B", "content": "\\ 37000 \\\\"}, {"identifier": "C", "content": "\\ 34000 & & \\quad"}, {"identifier": "D", "content": "\\ 35000\n\\end{align*}"}]
["A"]
null
null
e0176c27-17ad-44e9-8200-ea8dc44a25ef
maths
3d-geometry
jee-mathematics
Let \( R = \{(1, 2), (2, 3), (3, 3)\} \) be a relation defined on the set \( \{1, 2, 3, 4\} \). Then the minimum number of elements, needed to be added in \( R \) so that \( R \) becomes an equivalence relation, is \begin{align*}
[{"identifier": "A", "content": "\\ 10 & & \\quad"}, {"identifier": "B", "content": "\\ 7 \\\\"}, {"identifier": "C", "content": "\\ 8 & & \\quad"}, {"identifier": "D", "content": "\\ 9\n\\end{align*}"}]
["B"]
null
null
c6c9ea0d-2b4a-4d75-9b51-288c394b52ae
maths
3d-geometry
jee-mathematics
Let the area of a \( \triangle PQR \) with vertices \( P(5, 4), Q(-2, 4) \) and \( R(a, b) \) be 35 square units. If its orthocenter and centroid are \( O \left(2, \frac{12}{7}\right) \) and \( C(c, d) \) respectively, then \( c + 2d \) is equal to \begin{align*}
[{"identifier": "A", "content": "\\ \\frac{8}{3} & & \\quad"}, {"identifier": "B", "content": "\\ \\frac{7}{3} \\\\"}, {"identifier": "C", "content": "\\ 2 & & \\quad"}, {"identifier": "D", "content": "\\ 3\n\\end{align*}"}]
["D"]
null
null
7dbc72dd-8dd6-4ee9-a67b-e3fef13d7cd7
maths
3d-geometry
jee-mathematics
The value of \( \int_{\mathbb{R}} \frac{1}{x} \left( e^{(\log_2 x)^2 + 1} - e^{(\log_2 x)^2 - 1} \right) dx \) is \begin{align*}
[{"identifier": "A", "content": "\\ 2 & & \\quad"}, {"identifier": "B", "content": "\\ \\log_2 2 \\\\"}, {"identifier": "C", "content": "\\ 1 & & \\quad"}, {"identifier": "D", "content": "\\ e^2\n\\end{align*}"}]
["C"]
null
null
9e7da6b5-4669-4472-8aaa-cd93a27cf3c1
maths
3d-geometry
jee-mathematics
Let \( \frac{x^2}{16} + \frac{y^2}{25} = 1 \), \( z \in C \), be the equation of a circle with center at \( C \). If the area of the triangle, whose vertices are at the points \( (0, 0) \), \( C \) and \( (\alpha, 0) \) is 11 square units, then \( \alpha^2 \) equals: -
[{"identifier": "A", "content": "50\n-"}, {"identifier": "B", "content": "100\n-"}, {"identifier": "C", "content": "\\( \\frac{81}{25} \\)\n-"}, {"identifier": "D", "content": "\\( \\frac{121}{25} \\)"}]
["B"]
null
null
4a20f27f-5446-4fec-9652-f29e5d09d339
maths
3d-geometry
jee-mathematics
The value of \((\sin 70^\circ)(\cot 10^\circ \cot 70^\circ - 1)\) is -
[{"identifier": "A", "content": "\\( 2/3 \\)\n-"}, {"identifier": "B", "content": "0\n-"}, {"identifier": "C", "content": "\\( 3/2 \\)\n-"}, {"identifier": "D", "content": "1"}]
["B"]
null
null
77f489df-a2bc-4579-95b9-5d61d9d617a7
maths
3d-geometry
jee-mathematics
Let \( I(x) = \int \frac{dx}{(x-11)(x+15)} \). If \( I
[{"identifier": "e", "content": "- I"}, {"identifier": "X", "content": "= \\frac{1}{4} \\left( \\frac{1}{\\beta x} - \\frac{1}{c x} \\right) \\), \\( b, c \\in \\mathbb{N} \\), then \\( 3(b + c) \\) is equal to\n\n-"}, {"identifier": "A", "content": "22\n-"}, {"identifier": "B", "content": "39\n-"}, {"identifier": "C", "content": "40\n-"}, {"identifier": "D", "content": "26"}]
["B"]
null
null
68c466e8-b8e2-42b5-a836-3bc4dd2e49b5
maths
3d-geometry
jee-mathematics
If \( \frac{\pi}{6} \leq x \leq \frac{3\pi}{4} \), then \( \cos^{-1}\left(\frac{12}{13}\cos x + \frac{5}{13}\sin x\right) \) is equal to -
[{"identifier": "A", "content": "\\( x - \\tan^{-1}\\frac{4}{3} \\)\n-"}, {"identifier": "B", "content": "\\( x + \\tan^{-1}\\frac{4}{5} \\)\n-"}, {"identifier": "C", "content": "\\( x - \\tan^{-1}\\frac{5}{12} \\)\n-"}, {"identifier": "D", "content": "\\( x + \\tan^{-1}\\frac{5}{12} \\)"}]
["C"]
null
null
bfd1c5c4-ea06-4d15-8e85-2d54fa41bafb
maths
3d-geometry
jee-mathematics
Let the circle \( C \) touch the line \( x - y + 1 = 0 \), have the centre on the positive \( x \)-axis, and cut off a chord of length \( \frac{4}{\sqrt{13}} \) along the line \( -3x + 2y = 1 \). Let \( H \) be the hyperbola \( \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 \), whose one of the foci is the centre of \( C \) and the length of the transverse axis is the diameter of \( C \). Then \( 2a^2 + 3b^2 \) is equal to
[]
["S"]
null
null
0c471963-04dd-4a21-987b-535f3ec17da9
maths
3d-geometry
jee-mathematics
If the equation \( a(b - c)x^2 + b(c - a)x + c(a - b) = 0 \) has equal roots, where \( a + c = 15 \) and \( b = \frac{36}{5} \), then \( a^2 + c^2 \) is equal to
[]
["µ"]
null
null
a5f4fa94-d8e4-4c6e-84f1-c1cf21d2cabf
maths
3d-geometry
jee-mathematics
If the set of all values of \( a \), for which the equation \( 5x^3 - 15x - a = 0 \) has three distinct real roots, is the interval \((\alpha, \beta)\), then \( \beta - 2\alpha \) is equal to
[]
["^"]
null
null
75387286-d2e3-4701-a450-6603de1e3ed9
maths
3d-geometry
jee-mathematics
The sum of all rational terms in the expansion of \( \left(1 + 2^{1/2} + 3^{1/2}\right)^6 \) is equal to
[]
["ʤ"]
null
null
4f2b69e7-6590-4ebb-8eea-c25d743cdae4
maths
3d-geometry
jee-mathematics
If the area of the larger portion bounded between the curves \( x^2 + y^2 = 25 \) and \( y = |x - 1| \) is \( \frac{1}{3}(b\pi + c) \), \( b, c \in \mathbb{N} \), then \( b + c \) is equal to
[]
[""]
null
null
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