A+CAR+COVERS+A+DISTANCE+AT+4+HOURS+.first+at+40km/h+and+second+half+at+60km/h.+find++distance+covered+by+the+car
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Answer:
total time=4hr
net speed=40+60km/h
=100km/h
distance covered by the car=speed*time
=100*4=400km.(ans)
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