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 difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in Rs.) is?

Option A: 625

Option B: 827

Option C: 657

Option D: 726

Option E: 634

A: Option A
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Q: Question: A bag contains 12 red marbles. If someone were to remove 2 marbles from the bag, one at a time, and replace the first marble after it was removed, the probability that neither marble would be red is 49/64. How many marbles are in the bag?

Option A: 24

Option B: 48

Option C: 60

Option D: 96

Option E: 84

A: Option D
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Q: Question: Find the middle one when the sum of 3 consecutive even numbers is 36?

Option A: 10

Option B: 12

Option C: 14

Option D: 16

Option E: 17

A:
Option B
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