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.

Input: Consider 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

Output: Option B


Input: Consider Input: Question: A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?

 Option A: 3.75

 Option B: 3.76

 Option C: 3.79

 Option D: 3.74

 Option E: 3.71

Output: Option A


Input: Consider Input: Question: A and B can do a piece of work in 7 days, B and C in 8 days, C and A in 9 days. How long will C take to do it?

 Option A: 14.1 days

 Option B: 18.8 days

 Option C: 21.4 days

 Option D: 24.3 days

 Option E: 26.5 days


Output: Option C