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A motor car starts with a speed of 70 km...

A motor car starts with a speed of 70 km/hr with its speed increasing every two hours by 10 km/hr. In how many hours will it cover 345 kms?

A

` 2 (1)/(4) h`

B

` 4 (1)/(2) h`

C

` 4 h 5` min

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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