The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is (a) 29.46 km/hr  (b) 31.68 km/hr  (c) 32.72 km/hr  (d) 36.25 km/hr

The radius of the wheel of a vehicle is 70cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is (a) 29.46km/hr (b) 31.68km/hr (c) 32.72km/hr (d) 36.25km/hr

If a person travels 60 km in 4 hours in a car, then the speed of the car is (a) 12 km/hr (b) 15 km/hr (c) 20\ km/hr (d) 24\ km/hr

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

If a person travels 60km in 4 hours in a car, then the speed of the car is 12km/hr (b) 15km/hr20km/hr(d)24km/hr

A 150m long train crosses a pillar in 15 seconds and a train equal in length coming from its opposite direction in 12 seconds.The speed of the second train is: a.) 45km/hr b.) 48km/hr c.) 52km/hr d.) 54km/hr

The wheels of a car move 5 times in a second.If the diameter of a wheel is 84 cm.Find the speed of the car in km/hr.

The wheel of a motorcycle is of 35cm. How many revolutions per minute must the wheel make so as to keep a speed of 66km //hr

A car covers a certain distance in 5 hours at the speed of 73 kms/hr. What is the average speed of bus which travels a distance of 50 kms less than the car in the same time ? Options are (a) 61 km/hr (b) 58 km/hr (c) 65 km/hr (d) 63 km/hr.