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If a boat goes upstream at a speed of 21...

If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey ?

A

`24.5`

B

24

C

25

D

`25.4`

Text Solution

Verified by Experts

The correct Answer is:
A
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