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 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 %
[EX A]: Option B

[EX Q]: Question: What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?

 Option A: 5%

 Option B: 6%

 Option C: 2%

 Option D: 95%

 Option E: 1%
[EX A]: Option A

[EX Q]: Question: The price of sugar is increased by 20%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original consumption is :

 Option A: 1:3

 Option B: 1:4

 Option C: 1:6

 Option D: 1:5

 Option E: None
[EX A]:
Option C