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: The average marks of a class of 35 students is 45 and that of another class of 55 students is 65. Find the average marks of all the students?

 Option A: 52.6

 Option B: 52.4

 Option C: 52.1

 Option D: 57

 Option E: 52.9

Answer: Option D


Question: Question: How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

 Option A: 5

 Option B: 6

 Option C: 7

 Option D: 8

 Option E: 9

Answer: Option B


Question: Question: 1, 8, 27, 64, 125, ?

 Option A: 216

 Option B: 205

 Option C: 200

 Option D: 250

 Option E: 180

Answer:
Option A