A car travels 8 km in the first quarter of an hour, 6 km in the second quarter and 16 km in the third quarter. The average speed of the car in km/hr over the entire journey is
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Since, average speed =total distance/total time
So, total distance =8+16+6=30
Total time =15/60+15/60+15/60=45/60=3/4
Avg.speed=30/(3/4)
=30*4/3
=40km/hr
So, total distance =8+16+6=30
Total time =15/60+15/60+15/60=45/60=3/4
Avg.speed=30/(3/4)
=30*4/3
=40km/hr
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