The task is to generate the correct answer for a given math problem.

Q: Problem: a clock shows the time as 10 a . m . if the minute hand gains 5 minutes every hour , how many minutes will the clock gain by 6 p . m . ?

A: 40 minute
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Q: Problem: a is twice as good a workman as b and they took 6 days together to do the work b alone can do it in .

A: 18 days
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Q: Problem: at what price must an article costing rs . 47.50 be marked in order that after deducting 7 % from the list price . it may be sold at a profit of 25 % on the cost price ?

A:
63.84
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