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: 5, 10, 13, 26, 29, 58, 61, (....)

 Option A: 122

 Option B: 125

 Option C: 128

 Option D: 64

 Option E: 130

A: Option A
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Q: Question: The functions f and g are defined for all the positive integers n by the following rule: f(n) is the number of perfect squares less than n and g(n) is the number of primes numbers less than n. If f(x) + g(x) = 16, then x is in the range:

 Option A: 30 < x < 36

 Option B: 30 < x < 37

 Option C: 31 < x < 37

 Option D: 31 < x < 38

 Option E: 32 < x < 38

A: Option C
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Q: Question: An article was sold after a discount of 20% and there was a gain of 20%. If the profit made on it was Rs. 6 less than the discount offered on it, find its selling price?

 Option A: Rs. 72

 Option B: Rs. 90

 Option C: Rs. 66

 Option D: Rs. 96

 Option E: None of these

A:
Option A
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