context: ###List of Questions
  (1) What is prob of picking 1 g and 1 k when two letters picked without replacement from {k: 1, l: 1, g: 1, b: 1, p: 1}?
  (2) What comes next: -86, -759, -2586, -6143, -12006, -20751, -32954, -49191?
  (3) Let m be 6*(1 - 70/4). Let v = m - -145. Suppose -2*x + 24 = -8. Calculate the remainder when v is divided by x.
  (4) What is 43.59957 kilograms in tonnes?
  (5) Calculate 5544 divided by -462.
q_1: (1) What is prob of picking 1 g and 1 k when two letters picked without replacement from {k: 1, l: 1, g: 1, b: 1, p: 1}?
q_2: (2) What comes next: -86, -759, -2586, -6143, -12006, -20751, -32954, -49191?
q_3: (3) Let m be 6*(1 - 70/4). Let v = m - -145. Suppose -2*x + 24 = -8. Calculate the remainder when v is divided by x.
q_4: (4) What is 43.59957 kilograms in tonnes?
q_5: (5) Calculate 5544 divided by -462.