Question

An areoplane flies from A to B at the rate of 500 km / hr and comes back from B to A at the rate of 700 km / hr . The average speed of the aeroplane is ?

Answer 1

Answer:

600 km/hr

Step-by-step explanation:

Average speed = variations in speed/ 2

= 500 + 700/2

= 1200/2

= 600 km/hr +ANSWER+