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Kiran covers a certain distance 80 km/h ...

Kiran covers a certain distance 80 km/h and returns back to the same point at 20 km/h. Then, the average speed during the whole journey be

A

35 km/h

B

32 km/h

C

30 km/h

D

28 km/h

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Verified by Experts

The correct Answer is:
B
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