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Rani covers a certain distance by car dr...

Rani covers a certain distance by car driving at 5km/h and returns the starting point riding on a scooter at 2 km/h. Find her average speed for the whole journey.

A

`3 (6)/(7) `km/h

B

`2 (6)/(7) ` km /h

C

`5 (6)/(7) ` km /h

D

`7 (6 )/(7) `km/h

Text Solution

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The correct Answer is:
B
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