A man travels 50 km at speed 25 km/hr an...

A man travels 50 km at speed 25 km/hr and next 40 km at 20 km/h and there after travels 90 km at 15 km/h. His average speed is :

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A person travels 75 km at a speed of 25 km/h, next 60 km at a speed of 20 km/h and the last 90 km at a speed of 15 km/h. His average speed is : एक व्यक्ति 75 km की यात्रा 25 km/h की गति से, अगली 60 km की यात्रा 20 km/h की गति से और उसके बाद 90 km की यात्रा 15 km/h की गति से तय करता है | उसकी औसत गति है:

A man travels a distance of 24 km at 6 km/ h another distance of 24 km at 8 km/h and a third distance of 24 km at 12 km/h. His average speed for the whole journey (in km/h) is

A car travels 30 km at a uniform speed of 40 km//h and the next 30 km at a uniform speed of 20 km//h . Find its average speed.

A bus travelling the first one third distance at a speed of 10 km/h, the next one third at 20 km/h and the last one third at 60 km/h. The average speed (in km /h) of the bus is

(a) A car travels first 30 km at a uniform speed of 20 km//h and next 30 km at a uniform speed of 40 km//h . What is its average speed ? (b) A scooter acquires a speed of 36 km//h in 10 s . What is its acceleration?

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

Aditya covered 48 km distance at 40 km/hr and rest 52 km at 65 km/hr. Find his average speed.

A car covers first 10 km with 40 km/hr next 10 km with 60 km/hr and next 10 km in 20 km/hr . What is the average speed of the car .

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