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 Q]: Question: If the ratio of a to b is 2 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?

 Option A: 4/15

 Option B: 1/3

 Option C: 2/15

 Option D: 4/5

 Option E: 7/6
[EX A]: Option C

[EX Q]: Question: The number which exceeds 16% of it by 42 is?

 Option A: 50

 Option B: 25

 Option C: 52

 Option D: 58

 Option E: 60
[EX A]: Option A

[EX Q]: Question: A cicketer bas a certain average for 10 innings, In the eleventh inning, he scorod 118 runs, thereby increasing his average by 6 runs. His new average is

 Option A: 58 runs

 Option B: 28 runs

 Option C: 48 runs

 Option D: 42 runs

 Option E: 46 runs
[EX A]:
Option A