Question

16. A car travels a certain distance with a speed of 50 km.p.h. and returns with a speed of 40 km.p.h. Calculate
the average speed for the whole journey.
(Hint. Suppose that the certain distance travelled by the car with a speed of 50 km/h is x so that the total
distance travelled becomes x + x = 2x)
10m anaad of amthandrahme with a need of ankmh caolate the​

Answer 1

Answer:

400/9

Explanation:

2vu/v+u

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Answer 2

Answer:

400/9 km/hr is the answer