X and Y start a business by investing a certain amount in the ratio 9: 16 . Both of them invest for an equal period of time . At the end of the term , X's share of profit is what per cent less than that of Y?

The average attendance of a college for the first three days of a week is 325 and first four days is 320. How...

TK. 355 has been divided among A, B,C in such a way that a had TK. 20 more than B and C had Tk. 15 more than B...

If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is...

By what percentage above the cost price ,a fan should be sold if a shopkeeper wants to make a profit of Tk. 50...

Out of two numbers, 4 times the smaller one is less than 3 times the larger one by 5, if the sum of the number...

The sum of the squares of these three numbers is 532 and the ratio of the first and the second as also of the...