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A car goes one kilometre at 30km/h and t...

A car goes one kilometre at 30km/h and then goes another kilometre to 40 km/h. The average speed (in km/h) of the car for 2 km is

A

`33(3)/(7)`

B

`33(5)/(7)`

C

35

D

`34(2)/(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
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