instruction:
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.
question:
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
answer:
Option C


question:
Question: How many positive integers G less than 10,000 are such that the product of their digits is 210?

 Option A: 24

 Option B: 30

 Option C: 48

 Option D: 54

 Option E: 72
answer:
Option D


question:
Question: The average of 20, 30 and 130 is twice the average of 10, 30, and which of the following ?

 Option A: 1

 Option B: 2

 Option C: 3

 Option D: 4

 Option E: 5
answer:

Option B