A train covers a distance in 56
minutes with the average speed of
65 km/hr. What should be the speed
of this train to reduce the time of
journey by 4 minutes ?
Answers
Answered by
1
distance = speedx time
= 65x56/60=60 2/3 km
If time reduced to 52 min
speed=dist/time=60 2/3 / 52
/ 60
I82 / 3x60/52=70km/hr
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