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Question

When the price of fans was reduced by 20%, the number of fans sold is increased by 40%.What was the effect on the sales in rupees?


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Solution

Find the effect on the sales in rupees.

Percentage of reduced price=20%

Percentage of number of fans sold increased =40%.

If a number is increased by a% and the decreased by b% then the net effect is a-b-ab100.

Now, net effect

=20+40-20×40100=12%

Therefore, the sale increase by 12%.


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