TASK DEFINITION: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
PROBLEM: Question: In an examination, 32% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the end of the examination how many passed in either subject but not in both?

Option A: 975

Option B: 1020

Option C: 1100

Option D: 1243

Option E: 1525

SOLUTION: Option C

PROBLEM: Question: Car 'X' covers a distance of 385 kms in 7 hours and car 'Y' covers a distance of 715 kms in 13 hrs. What is the difference in the speed of the two cars?

Option A: 2kms/hr

Option B: 1km/hr

Option C: 3kms/hr

Option D: 5kms/hr

Option E: None of these

SOLUTION: Option E

PROBLEM: Question: Angela, Bernie, and Colleen can complete a job, all working together, in 4 hours. Angela and Bernie, working together at their respective rates, can complete the same job in 6 hours. How long would it take Colleen, working alone, to complete the entire job?

Option A: 8 hours

Option B: 10 hours

Option C: 12 hours

Option D: 16 hours

Option E: 24 hours

SOLUTION:
Option E