A racing car going at an average speed of 108 km/hr takes 15 minutes t – McqOptions

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1.	A racing car going at an average speed of 108 km/hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (inkm/hr) to complete the lap in 12 minutes?
A.	24
B.	21
C.	27
D.	30
Answer» D. 30

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