If 6 persons working 8 hours a day earn a day earn Tk. 8400 per week,then 9 persons working 6 hours a day will earn per week----

A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of t...

The perimeter of a rectangle is 60 metres. If its length is twice its breadth then its area is --

A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months....

For how many positive numbers a, it becomes true that a * a * a = a + a + a ?

If n3 is odd, which of the following statements are true?

when a truck travels at 60 miles per hour, it uses 30 percent more gasoline to travel andy distance than it do...