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: Bat is bought for Rs.400 and sold at a gain of 20% find its selling price?

 Option A: Rs.320

 Option B: Rs.350

 Option C: Rs.370

 Option D: Rs.480

 Option E: None of these

A: Option D
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Q: Question: How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

 Option A: 5

 Option B: 6

 Option C: 7

 Option D: 8

 Option E: 9

A: Option B
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Q: Question: A sum of money invested at compound interest to Rs. 800 in 3 years and to Rs 830 in 4 years. The
rate on interest per annum is.

 Option A: 4.60%

 Option B: 5.55%

 Option C: 7.66%

 Option D: 7.0%

 Option E: 3.75%

A:
Option E
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