Question

a train moving at a speed of 60km/hr covers a distance in 7.5hr. what should be the speed of train to cover the same distance in 6 hr

Answer 1

speed=60km/hr
distance=d
time=7.5hr
d=s/t
=(60km/hr)/7.5hr
=8km
distance=8km
speed=d/time
2nd speed=8/6
=1.34km/hr

Answer 2

Heya !

Here's your answer !!

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GIVEN THAT :

Speed of train = 60 km/h

Time Taken to cover a distance = 7.5 hrs

TO FIND :

The speed of train to cover the same distance in 6 hrs.

SOLUTION :

We know,

Speed = Distance covered/Time taken

=> 60 = D/7.5

=> D = 60 × 7.5

=> D = 450 km

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=> S = 450/6

=> Speed = 75 km/h

ANS ) The speed of the train should be $\bf{ 75 \: km/h }$

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THANKS !!