If 120 is 20% of a number, then 120% of that number will be:

A's income is 25% more than B's income. B's income in terms of A's income is:

The ratio of the cost price and the selling prices is 4:5. The profit percent is :

The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is

A, B and C enter into a partnership with a capital in which A's contribution is Tk. 10,000. If out of a total...

In a dairy firm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk.

A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can...