A can do a piece of work in 10 days , B can do the same in 30 days and c in 60 days . If A is assisted on alternate days by B and C, in how many days would the work get completed?

If Arif is making a profit of 25 percent on his selling price, what is his actual profit percentage?

The simple interest on a certain sum of money at 4 percent per annum for 4 years is Tk. 87.5 more than interes...

How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3?

A florist has 200 roses and 180 jasmines with him . He was asked to make garlands of flowers. Which of the fol...

Neela got married 6 years ago. Today her age is 1.25 percent times her age at the time of marriage. Her son's...

The ratio between the length and the perimeter of a rectangular plot is 1 : 3 and the ratio between the breadt...