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 can run 2 km distance in 2 min 20 seconds, while B can run this distance in 3 min 5 sec. . By how much distance can A beat B?

 Option A: 900 m

 Option B: 500 m

 Option C: 120 m

 Option D: 180 m

 Option E: 190 m

SOLUTION: Option B

PROBLEM: Question: If j and k are integers whose product is 400, which of the following statements must be true?

 Option A: n + k > 0

 Option B: n is not equal to k.

 Option C: Either n or k is a multiple of 10.

 Option D: If n is even, then k is odd.

 Option E: If j is odd, then k is even.

SOLUTION: Option E

PROBLEM: Question: The speed of light is approximately 1,86 * 10^4 miles per second. This approximate speed is how many miles per hour?

 Option A:  1,11 * 10^7

 Option B:  6,70 * 10^7

 Option C:  1,11 * 10^8

 Option D:  1,86 * 10^8

 Option E:  6,70 * 10^8

SOLUTION:
Option B