If price is reduced by 25% and daily sale increases by 30%, net effect on daily sale is

Length of rectangle decreased by 20% and breadth increased by 20%. Effect on area?

A number is increased by 20% and then decreased by 20%. Net increase/decrease percentage?

The dearness-allowance of a person with basic salary Rs.7700 is increased to 132% form 125% and the tax deduction on both is increased to 22% from 20%. He got salary increased by

The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12%, then the obtained numbers are equal, then smaller number is :

A reduction of 10% in the price of sugar enables a person to buy 6·2 kg more for ₹2790. What is the reduced price per kilogram?