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

A motor starts with the speed of 70 km ph with its speed increasing ev

1.	A motor starts with the speed of 70 km ph with its speed increasing every two hours by 10 km ph. In how many hours will it cover 345 kms?
A.	4½ hours
B.	3 hours
C.	5¼ hours
D.	2 hours
Answer» B. 3 hours

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

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