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: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is?

 Option A: 3

 Option B: 4

 Option C: 9

 Option D: 3

 Option E: 5

A: Option B
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Q: Question: What is the sum of all the numbers which divides 100 ?

 Option A: 408

 Option B: 102

 Option C: 816

 Option D: 916

 Option E: 416

A: Option A
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Q: Question: A and B started business in partnership investing Rs. 20,000 and Rs. 15,000 respectively. After six months, C joined them with Rs. 20,000. What will be B's share in the total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business?

 Option A: Rs.7500

 Option B: Rs.7502

 Option C: Rs.7529

 Option D: Rs.7596

 Option E: Rs.7506

A:
Option A
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