CBSE Class 9 Answered
Sir,please answer this question........
Asked by sahithi_16 | 20 Oct, 2009, 06:43: AM
Expert Answer
Average speed = total distance/total time.
Let the total travel time be T.
Total distance = 40xT/2 + 60xT/2= 50T
Hence average speed = 50T/T = 50 km/hr.
Regards,
Team,
TopperLearning.
Answered by | 20 Oct, 2009, 11:27: AM
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