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: If one-third of one-fourth of a number is 15, then three-tenth of that number is

 Option A: 35

 Option B: 36

 Option C: 45

 Option D: 54

 Option E: 57

SOLUTION: Option D

PROBLEM: Question: A man has $480 in the denominations of one-Dollar, five-Dollar notes and ten-Dollar. The number of Dollars of each denomination is equal. What is the total number of Dollar that he has ?

 Option A: 50

 Option B: 60

 Option C: 90

 Option D: 48

 Option E: 67

SOLUTION: Option C

PROBLEM: Question: Which of the following correctly lists the data sets in order of least to greatest standard deviation?
I. 2, 2, 2, 2, 1 2
II. 42, 22, 32, 42, 32, 42
III. 30, 30, 32, 30, 31, 32

 Option A: I, II, III

 Option B: I, III, II

 Option C: II, I, III

 Option D: II, III, I

 Option E: III, II, I

SOLUTION:
Option B