Question

A car travels from A to B at a, speed of and returns at a speed of . The average speed of the car for the whole journey is:

A

B

C

D

Medium
Solution
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Correct option is B)

Let distance from A to B be x
Time for travel from A to B= x/20
Time for travel from B to A= x/30
Hence,speed for total distance 2x is: =24 km\hr

Solve any question of Motion in a Straight Line with:-
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