The price of an article is increased twice in succession, each by `10%.` The result is `"_____"%` increase.

When the price of an article is increased by p%, then quantity of sales decrease by 10% but sales revenue increases by 10% Find p.

The price of an article is first decreased by 20% and then increased by 30%. If the re sulting price is 416, the original price of the article is

The price of an article is decreased by 10%. To restore its former value the new price must be increased by:

The proce of an article increased successively over three consecutive weeks. It increased by 10% in the first week, 20% in the second week and 25% in the third week. Find the effective percentage increase in its price after three weeks.

The price of an article was first increased by 10% and then again by 20%. If increased price by Rs.33, the original price be