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A car travels a distance AB at a speed o...

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

A

`34.5` km/h

B

Zero

C

`35` km/hr

D

`40` km/hr

Text Solution

Verified by Experts

The correct Answer is:
B
Displacement is zero
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