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# A car is moving on a straight road covers one third of its distance with a speed of20 km/h &rest with a speed of 60km/h along straight line the avarege  speed of car is?

Asked by Borkarvaibhav52 5th July 2019, 8:06 PM
Let the distnace travelled by a car on staright path  be x.
The one thrid distance is covered with speed of 20 km/h and the rest two- third distance with speed of 60 km/h
Thus,
time required for the one third of the journey is

The time required for the rest part of the journey is

Thus the total time taken to complete the journey is,

Thus, the average speed is,

Average speed = Total distance travelled/ total time taken
Answered by Expert 6th July 2019, 1:49 PM
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