A car travels a speed of 120kmph for 1 hr and halts for hour and then resumes the journey
ith speed of 100kmph for the

A car travels a speed of 120kmph for 1 hr and halts for hour and then resumes the journey
ith speed of 100kmph for the next 1 ½ hour. Find the average speed
1) 110 mph
2) 10&iomph
3) 90lph 4) 220/3 bmph​

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