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: The average expenditure of a labourer for 6 months was 90 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income i

 Option A: 70

 Option B: 72

 Option C: 75

 Option D: 78

 Option E: 81

Ex Output:
Option E


Ex Input:
Question: Bat is bought for Rs.400 and sold at a gain of 20% find its selling price?

 Option A: Rs.320

 Option B: Rs.350

 Option C: Rs.370

 Option D: Rs.480

 Option E: None of these

Ex Output:
Option D


Ex Input:
Question: A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. working together, they can do it in

 Option A: 20 days

 Option B: 22 ½ days

 Option C: 25 days

 Option D: 30 days

 Option E: 35 days

Ex Output:

Option B