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Question

Increase the price of 200 by 10% and then decrease the new price by 10%. Is the final price same as the original one?

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Solution

It is given that
Rate of increase =10%
Rate of decrease =10%
Price of article =Rs200
Here
Increased price = Rs 200×(100+10)/100
By further calculation
=Rs 200×110/100
=Rs220
We know that
Decreased price = Rs 200×(10010)/100
By further calculation
=Rs 200×90/100
=Rs198
No, the final price is not as same as original one.

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