TASK DEFINITION: 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.
PROBLEM: Question: A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^5, then what was the number in the population 50 minutes later?

 Option A: 2(10^5

 Option B: 5(10^5

 Option C: (2^5

 Option D: (10^5

 Option E: (10^5

SOLUTION: Option C

PROBLEM: Question: Divide 71 into 2 parts such that 1 part exceeds the other by 8. What are the 2 no.'s in that part?

 Option A: 29

 Option B: 30

 Option C: 31

 Option D: 35

 Option E: 38

SOLUTION: Option C

PROBLEM: Question: The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?

 Option A: 81 : 121

 Option B: 81 : 127

 Option C: 81 : 191

 Option D: 81 : 161

 Option E: 81 : 182

SOLUTION:
Option A