A number,when 35 is subtracted from it, reduces to its 80 percent. What is four-fifth of that number ?

A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum m...

If x% of y is equal to z, What percent z is x ?

A sum of money at simple interest amounts to Tk. 815 in 3 tears and to Tk. 854 in 4 years.The sum is :

The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is :

36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?

4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8...