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: In a certain Gun shooting competition prizes were awarded as follows: the first place winner receives 11 points, the second place winner receives 7 points, the third place winner receives 5 points and the fourth place winner receives 2 points . No other points were awarded. John participated several times in the competition. The product of all the points he received was 84700. How many times did he participate in the competition.

 Option A: 7

 Option B: 5

 Option C: 3

 Option D: 2

 Option E: cannot be determined

A: Option E
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Q: Question: One computer can upload 100 megabytes worth of data in 2 seconds. Two computers, including this one, working together, can upload 1300 megabytes worth of data in 10 seconds. How long would it take for the second computer, working on its own, to upload 100 megabytes of data?

 Option A:  6.6

 Option B:  7

 Option C:  9

 Option D:  11

 Option E:  13

A: Option A
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Q: Question: 15 binders can bind 1400 books in 21 days. How many binders will be required to bind 1600 books in 20 days?

 Option A: 18

 Option B: 86

 Option C: 16

 Option D: 10

 Option E: 19

A:
Option B
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