Math, asked by jerinjohn, 11 months ago

7. A and B are two cities. A man travels from A to B at a speed of 10 km/hr, and returns
back at the speed of 30 km/hr. Find his average speed for whole journey.
A) 12 km/hr. B) 15 km/hr. C) 20 km/hr. : D) 22.5 km/hr.

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Answered by harshvardhangau

1

Answer:

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