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: A, B and C invested Rs.6300, Rs.4200 and Rs.10500 respectively, in a partnership business. Find the share of A in profit of Rs.12700 after a year?

 Option A: 3630

 Option B: 9232

 Option C: 8828

 Option D: 2387

 Option E: 3810

A: Option E
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Q: Question: x% of y is y% of ?

 Option A: x

 Option B: 100x

 Option C: x/100

 Option D: y/100

 Option E: None

A: Option A
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Q: Question: If w, z and r are positive integers greater than 1, and p and q are factors of r, which of the following must be the factor of r^(wz)?
I. w+z
II. z^w
III. w^2 * z^2

 Option A: I only

 Option B: II only

 Option C: III only

 Option D: I and II

 Option E: II and III

A:
Option E
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