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 machine puts c caps on bottles in m minutes. How many seconds will it take to put caps on b bottles?

 Option A: 60bm/c

 Option B: bm/60c

 Option C: bc/60m

 Option D: 60b/cm

 Option E: b/60cm

Answer: Option A


Question: Question: A reduction of 20% in the price of salt enables a lady to obtain 25 kgs more for Rs.100, find the original price per kg?

 Option A: 6

 Option B: 1

 Option C: 5

 Option D: 4

 Option E: 7

Answer: Option B


Question: Question: One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill tank in 40 min, then the slower pipe alone will be able to fill the tank in?

 Option A: 160

 Option B: 787

 Option C: 144

 Option D: 128

 Option E: 121

Answer:
Option A