Question

A car moves at speed of 20 k/h for 15 mintues and then at a speed of 60 km/h for next 15 mintue calculate the total distance covered by the car

Answer 1

FIRST
speed=20km/h time=15/60 min Distance=s*t=20*15/60=5 km
Second
Speed=60 km/h time=15/60 min Distance=60*15/60=15km
Total distance covered =15+5=20km
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