Find the compound interest at the rate of 10% per annum for four yearss on the principal which in four years at the rate of 4% per annum gives tk. 1600 as simple interest.

A wheel rotates 10 times per minutes and moves 20 m during each rotation . How many feet does the wheel move i...

An Amount of tk. 366 is to be divided among P,Q and R in such a manner that Q gets two- third as much as P and...

On dividing an individual number by 342, we get 47 as remainder. If the same number is divided by 18, what wil...

In an office , 44% of the workers prefer coffee and 72% prefer tea. If each of them prefers coffee or tea and...

100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 an...

The difference between the length and the breadth of a blackboard is 8 cm. If the breadth is decreased by 4 cm...