A car travels a distance of 150 km in 3 hours and next 242 km in 4 hrs. The average speed?
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avg. speed = total distance travelled ÷ total time taken to cover the distance
= (150 + 242) km ÷ (3 + 4)h
= 392÷7 km/h
= 56 km/h.
= (150 + 242) km ÷ (3 + 4)h
= 392÷7 km/h
= 56 km/h.
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