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: Machine P and Machine Q are each used to manufacture 770 sprockets. It takes Machine P 10 hours longer to produce 770 sprockets than Machine Q. Machine Q produces 10% more sprockets per hour than Machine A. How many sprockets per hour does Machine A produce?

 Option A: 3

 Option B: 5

 Option C: 7

 Option D: 9

 Option E: 11

A: Option C
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Q: Question: In 120 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

 Option A: 24 m

 Option B: 25 m

 Option C: 22.5 m

 Option D: 9 m

 Option E: 12 m

A: Option A
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Q: Question: The average of 5 consecutive integers starting with m as the first integer is n. What is the average of 7 consecutive integers that start with (m + 2)?

 Option A: m + 3

 Option B: n + 6

 Option C: n + 3

 Option D: m + 4

 Option E: n + 4

A:
Option C
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