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: Which of the following is closer to (23!+22!)/(23!-22!)?

 Option A: 49

 Option B: 36

 Option C: 25

 Option D: 16

 Option E: 1

Answer: Option E


Question: Question: A train running at a speed of 36 kmph crosses an electric pole in 12 seconds. In how much time will it cross a 370 m long platform?

 Option A: 37 min

 Option B: 55 min

 Option C: 47 min

 Option D: 67 min

 Option E: 49 min

Answer: Option E


Question: Question: The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 20%?

 Option A: 37.5%

 Option B: 48%

 Option C: 50.5%

 Option D: 52%

 Option E: 25%

Answer:
Option E