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: A man ran 20 miles in 2 hours 2 minutes. What was the average speed of the man in miles per hour?

Option A: 9.72 miles / hour

Option B: 9.73 miles / hour

Option C: 9.75 miles / hour

Option D: 9.78 miles / hour

Option E: 9.79 miles / hour

SOLUTION: Option D

PROBLEM: Question: If a college has 15 staff for every 700 students, then what is the number of staff for 1400 students?

Option A: 30

Option B: 14

Option C: 12

Option D: 17

Option E: 19

SOLUTION: Option A

PROBLEM: Question: A man saves 20% of his monthly salary. If an account of dearness of things he is to increase his monthly expenses by 20%, he is only able to save Rs. 220 per month. What is his monthly salary?

Option A: 5500

Option B: 2999

Option C: 2878

Option D: 2990

Option E: 2771

SOLUTION:
Option A