Maths Class 7 Other

Asked by RAJANYA MONDAL · The Level field School

A car travels half of a journey at 30 km/h and the remaining half at 60 km/h.
What is its average speed for the entire journey?

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Answer: B. 40

60/30=2h and 60/60= 1h/ 60+60=120. 120/3=40

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