an car covers a distance in 40minutes with an average speed of 60 km/h. What should be the average speed to cover the same distance in 25mins
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Answer:
T1 = 40MIN=40/60hr=2/3hr
speed =60km/hr
distance =speed ×time
= 60×(2/3)
=40 km
in second case
distance = 40km
time =25min=25/60sec
=5/6sec
speed = ?
speed =distance/time
=40/(5/6)
=40×(6/5)=54km/hr
so the average speed =54km/hr.
hope it will be helpful.
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