A car moving on a straight road covers and third of the distance with 20 km/hr...
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A car moving on a straight road covers and third of the distance with 20 km/hr & rest with 60 km/hr. The average speed is Let total distance travelled = x km and total time taken A car moving on a straight road covers and third of the distance with 20 km/hr & rest with 60 km/hr. The average speed is Let total distance travelled = x km and total time taken
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