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

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

The population of a town is 176400. If it increases annually at the rate of 5%, then what will be its population after two years?

Population of a town was 150000 three years ago. It increased by 2%, 4% and 5% in the last three years. Present population?

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