In a row of trees is 7th from the left and 14th from the right end. How many trees are there in the row?

The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the ag...

A train 150 meter long and running at a speed of 60 km per hour takes 30 seconds to cross a bridge. what is a...

A dishonest shopkeeper professes to sell ghee at his cost price. But he uses a false weight of 950g for a kilo...

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...