A car covers four successive 2 km stretches at 20 km/hr, 30 km/hr, 40 – McqOptions

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1.	A car covers four successive 2 km stretches at 20 km/hr, 30 km/hr, 40 km/hr and 60 km/km respectively. Its average speed over this distance is
A.	22 km/hr
B.	25 km/hr
C.	29 km/hr
D.	32 km/hr
Answer» E.

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