instruction:
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.
question:
Question: If N = 2^0.1 and N^b = 16, b must equal

Option A: 3/80

Option B: 3/5

Option C: 40

Option D: 5/3

Option E: 80/3
answer:
Option C

question:
Question: The original price of a shirt was $20. It was decreased to $15 . What is the percent decrease of the price of this shirt.

Option A: 25%

Option B: 35%

Option C: 45%

Option D: 55%

Option E: 65%
answer:
Option A

question:
Question: A merchant has 100 Kg of Sugar, part of which he sells at 7 % profit and the rest at 17 % profit. He gains 10 % in the whole. How much is sold at 17 % profit ?

Option A: Rs. 70

Option B: Rs. 36

Option C: Rs. 27

Option D: Rs. 67.5

Option E: Rs. 77.5
answer:
Option E