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: 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

Answer: Option D


Question: Question: Jamboree and GMAT Club Contest Starts
QUESTION #10:
How many words (with or without meaning)F can be formed using all the letters of the word “SELFIE” so that the two E’s are not together?

 Option A:  660

 Option B:  600

 Option C:  500

 Option D:  300

 Option E:  240

Answer: Option E


Question: Question: Ritesh and Co. generated revenue of Rs. 1,700 in 2006. This was 12.5% of its gross revenue. In 2007, the gross revenue grew by Rs. 2,500. What is the percentage increase in the revenue in 2007?

 Option A: 18.38%

 Option B: 20%

 Option C: 25%

 Option D: 50%

 Option E: None of these

Answer:
Option A