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

A motor car starts with the speed of 70 km/hr with its speed increasin

1.	A motor car starts with the speed of 70 km/hr with its speed increasing every two hours by 10 kmph. In how many hours will it cover 345 kms ?
A.	$2\frac{1}{2}$$ hrs
B.	hrs 5 min
C.	$4\frac{1}{2}$$ hrs
D.	annot be determined
E.	one of these
Answer» D. annot be determined

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

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