A dishonest shopkeeper professes to sell ghee at his cost price. But he uses a false weight of 950g for a kilogram. His gain percentage is :

A sum of money at simple interest amounts to Tk. 2800 in 2 years and to Tk. 3250 in 5 years at a rate of :

A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of the dog is equal to 4 leaps of the hare. Compar...

In a mixture of 50 liters, milk and water are in the ratio of 3 : 2. How much water should be added to the mix...

If x is 90% of y then what percent of x is y?

A room of size 5m X 3m and height 3m requires walls and ceiling painting. What is the area to be painted?

The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectan...