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: A man's speed with the current is 20 kmph and speed of the current is 3 kmph. The Man's speed against the current will be

 Option A: 11 kmph

 Option B: 12 kmph

 Option C: 14 kmph

 Option D: 17 kmph

 Option E: None of these
[EX A]: Option C

[EX Q]: Question: The radius of a cylinder is 8 m, height 14 m. The volume of the cylinder is:

 Option A: 2816

 Option B: 5500

 Option C: 3300

 Option D: 1100

 Option E: 4400
[EX A]: Option A

[EX Q]: Question: The variable x is inversely proportional to the square of the variable y. If y is divided by 5a, then x is multiplied by which of the following?

 Option A: a. 1/25a

 Option B: b. 1/25a^2

 Option C: 1/5a

 Option D: 25a

 Option E: 25a^2
[EX A]:
Option E