context: ###List of Questions
  (1) Let u be (-12)/(-36) + (-16)/(-6). Solve -i + u*i = 0 for i.
  (2) What is one twentieth of a kilogram in milligrams?
  (3) Three letters picked without replacement from {j: 2, y: 2, k: 1, u: 4}. Give prob of picking 2 j and 1 u.
  (4) Let r = -220/7 + 823/42. Let c = 3896267/14784 - 2899/11. Let g = c - 5881/1344. Calculate the common denominator of r and g.
  (5) What is the value of -59 - -62 - (0 - 2)?
q_1: (1) Let u be (-12)/(-36) + (-16)/(-6). Solve -i + u*i = 0 for i.
q_2: (2) What is one twentieth of a kilogram in milligrams?
q_3: (3) Three letters picked without replacement from {j: 2, y: 2, k: 1, u: 4}. Give prob of picking 2 j and 1 u.
q_4: (4) Let r = -220/7 + 823/42. Let c = 3896267/14784 - 2899/11. Let g = c - 5881/1344. Calculate the common denominator of r and g.
q_5: (5) What is the value of -59 - -62 - (0 - 2)?