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 rectangular garden is to be twice as long as it is wide. If 900 yards of fencing, including the gate, will completely enclose the garden, what will be the length of the garden, in yards?

 Option A: 40

 Option B: 50

 Option C: 60

 Option D: 200

 Option E: 300
[EX A]: Option E

[EX Q]: Question: A fish can go upstream at 35 kmph and downstream at 55 kmph, and then find the speed of the fish in still water?

 Option A: 45

 Option B: 55

 Option C: 35

 Option D: 65

 Option E: 70
[EX A]: Option A

[EX Q]: Question: In a village there are 150 men and 90 women in present time.if in next year population will be P=(a^2 +b^2)^1/2 , and in every year men are reduces 4%.what is population of after 2 year.

 Option A: 140

 Option B: 141

 Option C: 142

 Option D: 143

 Option E: 147
[EX A]:
Option E