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: The average of 4,8,12 and x is 10. Find the value of x?

 Option A: 10

 Option B: 16

 Option C: 15

 Option D: 24

 Option E: 12

Answer: Option B


Question: Question: By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should be sell to get a gain of 20%?

 Option A: 5

 Option B: 8

 Option C: 10

 Option D: 15

 Option E: 20

Answer: Option B


Question: Question: A book was sold for Rs 27.50 with a profit of 10%. if it were sold for Rs25.75, then what would be % of profit or loss?

 Option A: Profit 5%

 Option B: Loss 5%

 Option C: Profit 3%

 Option D: Loss 3%

 Option E: Profit 4%

Answer:
Option C