Malti Is very confident in two wheeler driving. She is careful about the perfect operation of brakes of her scooter. One day her father asked her about the average km being run per litre of petrol consumed
by her scooter. Malti told her father that she could not tell him because the wire of the meter was
broken since long. Her father advised her to be as careful about this wire as about the brake wire. He
also told her the name of the meter they were talking about
(a) Why did Malti's father advise her to be careful about the healthy working of the meter?
(b) What is the difference between odometer and speedometer?
(c) What is average speed?
(d) What is instantaneous speed of a vehicle?