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.
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Question: Question: If the average (arithmetic mean) of x, x + 2, and x + 4 is 33, what is the value of x?

 Option A: 30

 Option B: 31

 Option C: 32

 Option D: 32

 Option E: 37

Answer: Option B


Question: Question: Look at this series: -2, 0, 2, 4,... What number should come next?

 Option A: 6

 Option B: 12

 Option C: 8

 Option D: 9

 Option E: 10

Answer: Option A


Question: Question: The sum of three numbers is 147. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8,then the second number is :

 Option A: 20

 Option B: 30

 Option C: 38

 Option D: 45

 Option E: None of these

Answer:
Option D