The wheels of the locomotive of a train are 2.1 m in radius. They make 75 revolutions in one minute. Find the speed of the train in km per hour.

The driving wheel of a locomative engine is 2.1 m in radius and it makes 75 revolutions per minute. Find the speed of the train in kmph.

A circular wheel if radius 28 cm makes 300 revolutions per minute. Find the speed of the wheel in kilometre per hour.

A wheel of radius 2.1 m of a vehicle makes 75 revolutions in one minute. What is the speed of the vehicle ?

When a cyclist rides a cycle the wheel of the cycle having radius 77 cm makes 500 revolutions in 5 minutes .Find the speed of the cycle in km per hour . (Take pi=(22)/(7))

If the wheel of a bus with 50 cm radius makes 280 revolutions per minute, find the speed of the bus in km/h

If the wheel of a bus with 50 cm radius makes 280 revolutions per minute, find the speed of the bus in km/h

A train 180 m long crosses a standing man in 12 seconds . Find the speed of the train in km per hour .

An express train is running between two stations with a uniform speed. If the diameter of each wheel of the train is 42 cm and each wheel makes 1200 revolutions per minutes, find the speed of the train.

The wheel of a railway carriage is 40 cm in diameter and makes 7 revolutions in a second, find the speed of train.

The wheel of a railway carriage is 40 cm in diameter and makes 7 revolutions in a second, find the speed of train.