A car travelling at an average speed of 72 km/hr takes 9 minutes to tr – McqOptions

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1.	A car travelling at an average speed of 72 km/hr takes 9 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travelÂ the same distance in 8 minutes?
A.	8
B.	9
C.	7
D.	6
Answer» C. 7

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