Question

5.
A car travels half of the distance with constant velocity 40 km/h and another half with a constant velocity of
60 km/h along a straight line. The average velocity of the car is
(1) 24 km/h
(2) 48 km/h
(3) 60 km/h
(4) 40 km/h

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Answer 1

Answer:

Explanation:

<speed>=total distance/total time taken

=s÷(s/80+s/120)

=240/(3+2) LCM

48