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 sum of the ages of 5 children born at the intervals of 3 year each is 60 year. what is the age of the youngest child ?
Options: a. 4 year, b. 6 year, c. 10 year, d. none of these, e. 9 year

SOLUTION: b

PROBLEM: Problem: if jack walked 8 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour ?
Options: a. 4, b. 4.5, c. 6, d. 6.4, e. 15

SOLUTION: d

PROBLEM: Problem: an error 3 % in excess is made while measuring the side of a square. the percentage of error in the calculated area of the square is
Options: a. 6.04 %, b. 6.14 %, c. 6.23 %, d. 6.26 %, e. 6.09 %

SOLUTION:
e