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One car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/h. The average speed is. ?? A. 40km/hr. B.80km/hr C. 46*2/3 km/hr D. 36 km/hr

One car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/h. The average speed is. ?? A. 40km/hr. B.80km/hr C. 46*2/3 km/hr D. 36 km/hr

Grade:

1 Answers

Robin Chourasia
askIITians Faculty 9 Points
7 years ago
total time= 5x/180

avg speed= (x/ 5x) * 180

Ans- D

Regards,

Robin
askiitian faculty

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