context: ###List of Questions
  (1) What is prob of picking 2 r when two letters picked without replacement from {r: 7}?
  (2) Evaluate (-341)/(-44) + 1 + 6/(-8).
  (3) How many hours are there in 40.53144 weeks?
  (4) What is next in -340, -681, -1022, -1363?
  (5) Let u(q) = -q + 6. Let w be u(7). Let z(v) = v + 7. Let p be z(-5). What is the units digit of w + 17 + (-1 - p)?
q_1: (1) What is prob of picking 2 r when two letters picked without replacement from {r: 7}?
q_2: (2) Evaluate (-341)/(-44) + 1 + 6/(-8).
q_3: (3) How many hours are there in 40.53144 weeks?
q_4: (4) What is next in -340, -681, -1022, -1363?
q_5: (5) Let u(q) = -q + 6. Let w be u(7). Let z(v) = v + 7. Let p be z(-5). What is the units digit of w + 17 + (-1 - p)?