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.
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Question: 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

Answer: Option D

Question: Question: 3 buffaloes eat as much as 4 cows or 2 oxen. At a farm there are 15 buffaloes, 8 oxen and 24 cows. The fodder for these cattle is available for 24days. If 8 more cows & 9 more buffaloes are brought in, how long will the fodder last?

Option A: 8

Option B: 10

Option C: 12

Option D: 18

Option E: 20

Answer: Option D

Question: Question: Jim wishes to buy 3 gifts that cost 15 dollars, 9 dollars, and 8 dollars. He has 1/4 of the money
he needs. How much more money must he earn in order to buy the gifts?

Option A: $57

Option B: $47

Option C: $7

Option D: $17

Option E: $24

Answer:
Option E