An empty pool is being filled with water at a constant rate, 3/5th of the pool has filled in 7 hours. How much more time will it take to completely fill the pool?

A train running at 36 kmph passes another train completely in 12 sec , which is half of its length , running i...

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 alte...

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...