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: mr. loyd wants to fence his square shaped land of 120 sqft each side. if a pole is laid every 12 ft how many poles do he need ?
Options: a. 20, b. 30, c. 40, d. 50, e. 60

SOLUTION: c

PROBLEM: Problem: what is the total number of integers between 200 and 500 that are divisible by 25 ?
Options: a. 20, b. 25, c. 14, d. 15, e. 18

SOLUTION: d

PROBLEM: Problem: two trains of length 100 m and 200 m are 100.00001 m apart. they start moving towards each other on parallel tracks, at speeds 108 kmph and 72 kmph. in how much time will the trains cross each other ?
Options: a. 8, b. 7, c. 9, d. 2, e. 1

SOLUTION:
a