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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)` hrs

B

4 hrs 5 min

C

`4(1)/(2)` hrs

D

3 hrs

Text Solution

Verified by Experts

The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-DISTANCE, TIME AND SPEED -Section-A (Question Bank-21(a))
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