A car moves for half of its time at 80 km/h and
for rest half of time at 40 km/h. Total distance
covered is 60 km. What is the average speed of
the car
(a) 60 km/h
(b) 80 km/h
(c) 120 km/h
(d) 180 km/h
Answers
Answered by
44
Answer:
Average speed = 2*S1*S2/(S1+S2) = 2*80*40/(80+40)
= 53.33km/h
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