If the price of an item is increased by 10% and then decreased by 10%, the net effect on the price of the item is:
সঠিক উত্তর: Option D
here, original price=100 tk when , price increase 10% then price is = (100+10) tk =110 tk then price decreased 10% so , now price is = (110- 110 x 10/100)=99 tk