When the price of a radio was reduced by 20%, its sale increased by 80%. What was the net effect on the sale?

When the price of cloth was reduced by 25% the quantity of cloth sold increased by 20%. What was the effect on gross receipt of the shop?

When the price of an item was reduced by 20% then its sale increased by x%. If there is an increase of 60% in the receipt of the revenue , then the value of x is :

When the price of a cycle is decreased by 20%,then the selling is increased by 20%. What is the impact on the receipt of the revenue?

When the price of an article is reduced by 15% the sales increases by 35% .The percentage change in the total amount of receipts is