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: the cash realised on selling a 14 % stock is rs. 109.25, brokerage being 1 / 4 % is ?
Options: a. 366, b. 106, c. 102, d. 109, e. 122

SOLUTION: d

PROBLEM: Problem: a train of length 250 m crosses a bridge of length 150 m in 20 seconds. what is the speed of train ?
Options: a. 33, b. 27, c. 25, d. 22, e. 72

SOLUTION: e

PROBLEM: Problem: bucket p has thrice the capacity as bucket q. it takes 60 turns for bucket p to fill the empty drum. how many turns it will take for both the buckets p and q, having each turn together to fill the empty drum ?
Options: a. 30, b. 45, c. 50, d. 25, e. 60

SOLUTION:
b