context: ###List of Questions
  (1) Suppose -2*v + 3*l - 12 = 0, -3*l = -0*v + 2*v - 12. Suppose v = i + i - 42. Calculate the remainder when i is divided by 6.
  (2) How many millilitres are there in 42/5 of a litre?
  (3) What is the next term in 22, 63, 136, 247, 402, 607, 868, 1191?
  (4) Divide -123 by -13.
  (5) Calculate prob of picking 1 n and 2 a when three letters picked without replacement from {v: 3, a: 4, n: 7}.
q_1: (1) Suppose -2*v + 3*l - 12 = 0, -3*l = -0*v + 2*v - 12. Suppose v = i + i - 42. Calculate the remainder when i is divided by 6.
q_2: (2) How many millilitres are there in 42/5 of a litre?
q_3: (3) What is the next term in 22, 63, 136, 247, 402, 607, 868, 1191?
q_4: (4) Divide -123 by -13.
q_5: (5) Calculate prob of picking 1 n and 2 a when three letters picked without replacement from {v: 3, a: 4, n: 7}.