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.

[Q]: 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
[A]: Option C

[Q]: Question: man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is?

Option A: 12

Option B: 76

Option C: 26

Option D: 20

Option E: 12
[A]: Option D

[Q]: Question: How many prime numbers between 1 and 100 are factors of 7,150 ?

Option A: One

Option B: Two

Option C: Three

Option D: Four

Option E: Five
[A]:
Option D