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: A certain company reported that the revenue on sales increased 40 % from 2000 to 2003, and increased 90 % from 2000 to 2005. What was the approximate percent increase in revenue for this store from 2003 to 2005?

Option A: 50 %

Option B: 36 %

Option C: 30 %

Option D: 32 %

Option E: 29 %

A: Option B
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Q: Question: .002/?= .01

Option A: .2

Option B: .09

Option C: .009

Option D: .0009

Option E: None of them

A: Option A
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Q: Question: The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is?

Option A: 52:56

Option B: 52:53

Option C: 52:50

Option D: 22:56

Option E: 52:51

A:
Option B
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