How many spokes are there in a wheel of a bicycle,if any two spokes from an angel of 15°?

If a number is decreased by 4 and divided by 6, the result is 8. What would be the result if 2 is subtracted f...

A watch which gains 5secons in 3 minutes was set a 7am. In the afternoon of the same day when the true time is...

If X is 2/5 of Y and Y is 5/7 of Z,what is the ratio of Z : X?

The length of a box is 3meters, breath is 2meters 50 centimeters and height is 2 meters. What is the volume of...

When a commodity is sold for tk. 49,there is loss of 2%. what is the cost price of the commodity ?

In a sequence of 8 consecutive integers, how much greater is the sum of the last four integers than the sum of...