in a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant , approximately what percentage of the selling price is the profit?

By selling a bicycle for TK. 2,850,a shopkeeper gains 14% . If the profit is reduced to 8% ,then the selling p...

In recent survey of the student of a public university . It is found that 65% students are good in Mathematics...

Naizel is twenty years older than Nekata . In three years Naizel will be twice as old as Neketa will be. How o...

A wall 8m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm 6 cm The number of brick...

The length of a rectangle is increased by 25% .By what percentage should the width be decreased so that the ar...