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

Q: Problem: a rectangle having length 89 cm and width 34 cm . if the length of the rectangle is increased by eighty percent then how much percent the breadth should be decreased so as to maintain the same area .

A: 47.33 %
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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: a 20 % stock yielding 12 % is quoted at :

A:
rs . 167
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