Question

A motorcyclist drivers form A to B with a uniform speed of 30 km/ h and returns back with a speed of 20 km/h.Find its average speed.​

Answer 1

Answer:

25km/hr

Explanation:

Speed for going = 30km/hr

Speed of coming back = 25km/hr

So, total speed = (30+20) km/hr

                          = 50 km/hr

So, average speed = (50/2) km/hr

                                = 25 km/hr

Hope it helps.....

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Answer 2

20 km/h + 30 km/h =50km/h

50km/h /2=25km/h