The length of the train that takes 8 second to pass a pole when it runs at a speed of 3 km/hr is-

A man travels 5 miles towards west, 2 miles towards south, then again 5 miles towards west. What is the direct...

Karim can do a job in 15 minutes and his brother takes twice as long to do the same job. If they work together...

If 3x + 2y=8 and 2x - y =3, find the value of 4y - 3x.

The scale of a local map is 1cm to 5km. An area is represented on the map by a rectangle of dimensions 5cm x 9...

In a cash box, there are equal number of 10 paisa, 25 paisa and 50 paisa coins. If it contains Tk. 170, then w...

Mou start from home at7.20am to go to her college. If it takes mou three quaters of an hour to reach her colle...