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The price of a book is first increased by 10% and then decreased by 5%, then the net change in the price will be
- A4.2% increase
- B4.5% increase
- C4.2% decrease
- D4.5% decrease
Answer not set
Discussion 1
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CCommunity
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%
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%