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: What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?

 Option A: 266

 Option B: 500

 Option C: 287

 Option D: 26

 Option E: 281

SOLUTION: Option B

PROBLEM: Question: A train 125m long takes 6 sec to cross a man walking at 5kmph in a direction opposite to that of the train. Find the speed of the train?

 Option A: 65kmph

 Option B: 70kmph

 Option C: 75kmph

 Option D: 80kmph

 Option E: 85kmph

SOLUTION: Option B

PROBLEM: Question: If a man can cover 12 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?

 Option A: 192 km

 Option B: 162 km

 Option C: 172 km

 Option D: 168 km

 Option E: 112 km

SOLUTION:
Option B