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Sunday, February 23, 2020

A motor starts with the speed of 70 kmph with its speed increasing every two hours by 10 kmph. In how many hours will it cover 345 kms ?

A motor starts with the speed of 70 kmph with its speed increasing every two hours by 10 kmph. In how many hours will it cover 345 kms ?
A$2\frac{1}{ 4}$ hours
B$4 \frac{1}{2}$ hours
C4 hours 5 minutes
DCannot be determined

Correct answer is: \(4 \frac{1}{2}\) hours

Explanation:

 

ranjith
answered Feb 23 '2020 at 20:40

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