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A car covers 15 km, 20 km, 30 km and 12 ...

A car covers 15 km, 20 km, 30 km and 12 km at speeds of 20 km/h, 30 km/h, 40 km/h and 30 km/h, respectively. The average speed of the car for the total journey is :

A

88 km/h

B

60 km/h

C

40 km/h

D

30 km/h

Text Solution

Verified by Experts

The correct Answer is:
D
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