The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12% then t…

Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends …

In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed …

If A is 150 percent of B, then B is what percent of (A + B) ?

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose ?

A litre of water evaporates from 6L of sea water containing 4% salt. Find the percentage of salt in the remaining soluti…

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result …

In an office there were initially N employees. The HR manager first hired P% employees then after a month Q% employees l…