A train running at 36 kmph passes another train completely in 12 sec, which is half of its length, running in the opposite direction at 54 kmph. If it also passes a railway platform in 1.5m, what is the length of the platform (in meters)?

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 altern...

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

An amount of money becomes Tk. 1,860 at an interest rate of 8% in 3 years. How many years the money would take...

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

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

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