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.

Ex Input:
Question: A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/6 hours to fill the tank. The leak can drain all the water of the tank in?

 Option A: 17 hr

 Option B: 19 hr

 Option C: 10 hr

 Option D: 24 hr

 Option E: 26 hr

Ex Output:
Option E


Ex Input:
Question: How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?

 Option A: 12.5

 Option B: 12.1

 Option C: 12.9

 Option D: 12.7

 Option E: 12.2

Ex Output:
Option B


Ex Input:
Question: The flow of water through a drainage pipe was monitored for a 3-hour period. In the second hour, the rate of flow was 30 gallons per hour, which was 50 percent faster than the rate of flow for the first hour. If 25 percent more water flowed through the pipe in the third hour than it did in the second, how many gallons of water flowed through the pipe during the entire three hours?

 Option A: 81.25

 Option B: 82.5

 Option C: 83.75

 Option D: 85.0

 Option E: 87.5

Ex Output:

Option E