Question

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 ?​

Answer 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

Answer 2

Step-by-step explanation:

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