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

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.

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

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))

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

The diameter of a wheel of a bus is 90 c m which makes 315 revolutions per minute. Determine its speed in kilometres per hour. (T a k e\ pi=(22)/7)

The diameter of a wheel of a bus is 90 c m which makes 315 revolutions per minute. Determine its speed in kilometres per hour. (T a k e\ pi=(22)/7)

The diameter of a wheel of a bus is 90cm which makes 315 revolutions per minute. Determine its speed in kilometres per hour.( Take pi=(22)/(7))

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.

A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If the radius of the wheel is 30 cm, the speed of the cycle is