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

Q: Problem: a cycle is bought for rs . 900 and sold for rs . 1170 , find the gain percent ?

A: 30 %
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Q: Problem: if each side of a square is increased by 325 % in length , find the percentage change in its area ?

A: 956.25 %
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Q: Problem: a train 220 meters long is running with a speed of 60 kmph . in what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?

A:
12
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