context: ###List of Questions
  (1) Calculate prob of picking 1 v and 1 i when two letters picked without replacement from ipvpviipvpvp.
  (2) Solve 4*o - 26 + 38 = 0 for o.
  (3) How many meters are there in 889020.7km?
  (4) Let z = -62 - -110. Let l = z - 9. What is the units digit of l?
  (5) -774 divided by -3
q_1: (1) Calculate prob of picking 1 v and 1 i when two letters picked without replacement from ipvpviipvpvp.
q_2: (2) Solve 4*o - 26 + 38 = 0 for o.
q_3: (3) How many meters are there in 889020.7km?
q_4: (4) Let z = -62 - -110. Let l = z - 9. What is the units digit of l?
q_5: (5) -774 divided by -3