If the price of an item is increased by 10% then decreased by then 10% percent the net effect on the price of the item is?

If the price of an item is increased by 10% then decreased by then 10% percent the net effect on the price of the item is?

A an increase by 10%

B an increase by 1%

C a decrease by 1%

D an decrease by 10%

Solution

Correct Answer: Option C

Let, the price=100

10% increased=(100×110)/100=110

10% decreased= (110×90)/100=99

So, decreased by (100-99)=1%