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A train travels at an average speed of 5...

A train travels at an average speed of 50 km/ hour for `2 (1)/(2)` hours and then travels at a speed of 70 km/hour for `1 (1)/(2)` hours. The average speed of the train in km/hour for entire journey is

A

`59.5`

B

60

C

`62.5`

D

`57.5`

Text Solution

Verified by Experts

The correct Answer is:
D
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