A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest with a speed of 60 km/h. The average speed of the car is:
(1) 40 km/h
(2) 50 km/h
(3) 36 km/h
(4) 55 km/h.
A car travels half of the distance with 5.
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Answer:
answer is 40km/h
Explanation:
average=60+20/2
=40km/h
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