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.

[Q]: Question: When 52416 is divided by 312, the quotient is 168. what will be the quotient when 52.416 is divided by 0.168?

 Option A: 5

 Option B: 6

 Option C: 4

 Option D: 3

 Option E: 8
[A]: Option A


[Q]: Question: A train 125 m long passes a man, running at 10 km/hr in the same direction in which the train is going, in 10 sec. The speed of the train is?

 Option A: 37 km/hr

 Option B: 50 km/hr

 Option C: 36 km/hr

 Option D: 26 km/hr

 Option E: 55 km/hr
[A]: Option E


[Q]: Question: x varies inversely as square of y. Given that y=3 for x=1. The value of x for y = 2 will be equal to:

 Option A: 3

 Option B: 6

 Option C: 1/9

 Option D: 1/3

 Option E: 9/4
[A]:
Option E