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

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 .

If the wheel of the engine of a train 4(2)/(7) metres in circumference makes 7 revolutions in 4 seconds,then the speed ( in km/hr) of the train is (a) 27 (b) 28 (c) 29 (d) 30

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