context: ###List of Questions
  (1) Convert 69.14492l to millilitres.
  (2) Suppose 2*j = 4*j - 36. Let z be 1/(3 + (-51)/j). Solve z = 3*f - 0*f for f.
  (3) Let d(q) = 3*q - 10 - 3 + 0. Let s be d(6). What is the greatest common factor of 25 and s?
  (4) What is 124 times 1.9?
  (5) Three letters picked without replacement from nfenannazaaznanea. What is prob of picking 1 f and 2 n?
q_1: (1) Convert 69.14492l to millilitres.
q_2: (2) Suppose 2*j = 4*j - 36. Let z be 1/(3 + (-51)/j). Solve z = 3*f - 0*f for f.
q_3: (3) Let d(q) = 3*q - 10 - 3 + 0. Let s be d(6). What is the greatest common factor of 25 and s?
q_4: (4) What is 124 times 1.9?
q_5: (5) Three letters picked without replacement from nfenannazaaznanea. What is prob of picking 1 f and 2 n?