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 cab driver 5days income was $25, $50, $60, $65 , $70. Then his average income is?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E

Ex Output:
Option B


Ex Input:
Question: A 300 m long train crosses a platform in 33 sec while it crosses a signal pole in 18 sec. What is the length of the platform?

 Option A: 286 m

 Option B: 250 m

 Option C: 277 m

 Option D: 278 m

 Option E: 267 m

Ex Output:
Option B


Ex Input:
Question: Jansi’s age is one-sixth of her mother’s age. Jansi’s mother’s age will be two times of Lenin’s age after 10 years. If Lenin’s 8-th birthday was celebrated 2 years before, then what is Jansi’s current age?

 Option A: 2 years

 Option B: 5 years

 Option C: 7 years

 Option D: 8 years

 Option E: 9 years

Ex Output:

Option B