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 value of 3Z + Z(ZZ)(ZZ) when Z = 5 is:

 Option A: 3150

 Option B: 3200

 Option C: 3140

 Option D: 3650

 Option E: 3104

A: Option C
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Q: Question: A, B, C are three consecutive positive integers (A>B>C). What is the value of the expression 2A +B +2C?

 Option A: 6A+7.

 Option B: 5A+1.

 Option C: 5A-5.

 Option D: 6A-5.

 Option E: 6A-7.

A: Option C
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Q: Question: A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is?

 Option A: 287 m

 Option B: 287 m

 Option C: 288 m

 Option D: 150 m

 Option E: 287 m

A:
Option D
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