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: in n is a positive integer less than 200, and 14 n / 60 is an integer, then n has how many different positive prime factors s ?
Options: a. 2, b. 3, c. 5, d. 6, e. 8

SOLUTION: b

PROBLEM: Problem: an industrial loom weaves 0.128 metres of cloth every second. approximately, how many seconds will it take for the loom to weave 25 metre of cloth ?
Options: a. 194 seconds, b. 195 seconds, c. 196 seconds, d. 197 seconds, e. none of these

SOLUTION: b

PROBLEM: Problem: the average age of an adult class is 40 years. 12 new students with an avg age of 32 years join the class. therefore decreasing theaverage by 4 year. find what was theoriginal strength of class ?
Options: a. 11, b. 12, c. 17, d. 19, e. 21

SOLUTION:
b