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

The population of a village increase by 5% annually. If its present population is 4410, then its population 2 years ago …

If the price of a book is first decreased by 25% and then increased by 20%, then the net charges in the price will be :

When 75 added to 75% of a number, the answer is the number. Find 40% of that number.

A 14.4 kg gas cylinder runs for 104 hours when the smaller burner on the gas stove is fully opened while it runs for 80 …

A number is increased by 15% and then decreased by 25% and the number becomes 22 less than the original number. The orig…

40% of 60% of $$\frac{3}{5}$$th of a number is 504. What is 25% of $$\frac{2}{5}$$th of that number ?

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