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: If x persons take y days to complete z similar jobs, how long does it take y persons to complete 1 such job?

 Option A: z

 Option B: x

 Option C: x/y

 Option D: z/x

 Option E: x/z

SOLUTION: Option E

PROBLEM: Question: A candidate got 32% of the votes polled and he lost to his rival by 1908 votes. How many votes were cast?

 Option A: 5100

 Option B: 5200

 Option C: 5300

 Option D: 5400

 Option E: 5500

SOLUTION: Option C

PROBLEM: Question: Rahim bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?

 Option A: 28

 Option B: 18

 Option C: 27

 Option D: 29

 Option E: 21

SOLUTION:
Option B