A bus covers 30 km at uniform speed of 60 km/h. It covers next 30 km with a speed of 40 km/h. The total time to cover the distance is
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Step-by-step explanation:
Time to cover the 1st 30 km= distance/speed= 30/60 hr= 1/2 hr.= 30 mins
Time to cover the next 30 km= distance/speed= 30/40 hr= 3/4 hr.=45 mins
Total time to cover the distance is= (30+45) mins= 75 mins= 1hr 15 mins.
Answered by
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Answer:
Step-by-step explanation:
Distance(1)=30km
Speed (1)=60km/HR
Time(1)=distance/speed
=30/60
=1/2 HR
Distance (2)=30 km
Speed (2)=40 km/HR
Time=distance/speed
=30/40
=3/4km
Total time=(1/2+3/4)hr
= 5/4hr
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