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: .002/?= .01

 Option A: .2

 Option B: .09

 Option C: .009

 Option D: .0009

 Option E: None of them
[A]: Option A


[Q]: Question: In a queue that comprises of 7 students. Sam and Tom are in the queue, what is the probability that they will be standing next to each other in the queue?

 Option A:  7%

 Option B:  14%

 Option C:  21%

 Option D:  28%

 Option E:  35%
[A]: Option C


[Q]: Question: A man can row 3.6 km/hr in still water. It takes him twice as long to row upstream as to row downstream. What is the rate of the current ?

 Option A: 1.9

 Option B: 1.7

 Option C: 1.2

 Option D: 1.5

 Option E: 1.1
[A]:
Option C