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.

Ex Input:
Question: A shopkeeper sold an book offering a discount of 5% and earned a profit of 30%. What would have been the percentage of profit earned if no discount was offered?

Option A: 140

Option B: 120

Option C: 130

Option D: 136.8

Option E: 150

Ex Output:
Option D

Ex Input:
Question: If seven machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?

Option A: 45

Option B: 60

Option C: 75

Option D: 84

Option E: 100

Ex Output:
Option D

Ex Input:
Question: 39! is divided by 41. Then what is the remainder?

Option A: 1

Option B: 3

Option C: 4

Option D: 5

Option E: 6

Ex Output:
Option A