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Total distance=300km Lunch time and tea time=45min+15min=1hour total time taken in journey=7 hour time in which truck trvilling=7 hour-1 hour=6 hour Then, speed of truck=300/6 =50km/h
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total distance=300 km
total time taken=7hrs
time at which truck driver take rest=45+15=60
total time leaving rest=7-1=6
speed=total distance/time
=300/6
=50km/h
total time taken=7hrs
time at which truck driver take rest=45+15=60
total time leaving rest=7-1=6
speed=total distance/time
=300/6
=50km/h
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