Question 79

The price of a book is first increased by 10% and then decreased by 5%, then the net change in the price will be

Solution

Let the original price be Rs. 100.

New final price = 95% of (110% of Rs. 100) = Rs. 95/100×110/100×100 = Rs. 104.5

∴ Increase in price = 4.5%

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