TASK DEFINITION: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
PROBLEM: Problem: a train traveling at 72 kmph crosses a platform in 33 seconds and a man standing on the platform in 18 seconds. what is the length of the platform in meters ?
Options: a. 240 meters, b. 360 meters, c. 420 meters, d. 300 meters, e. can not be determined

SOLUTION: d

PROBLEM: Problem: at 15: 00 there were 22 students in the computer lab. at 15: 03 and every three minutes after that, 3 students entered the lab. if at 15: 10 and every ten minutes after that 8 students left the lab, how many students were in the computer lab at 15: 44 ?
Options: a. 7, b. 14, c. 25, d. 27, e. 32

SOLUTION: e

PROBLEM: Problem: a ’ s speed is 17 / 14 times that of b. if a and b run a race, what part of the length of the race should a give b as a head start, so that the race ends in a dead heat ?
Options: a. 1 / 14, b. 1 / 17, c. 3 / 14, d. 3 / 17, e. 1 / 31

SOLUTION:
d