Question

help me it's urgent
please please

Answer 1

s= vt
t=s/v
t= 507/72
t=7.041 hour

Answer 2

The distance to be covered = 507 km
(Between New Delhi and Lucknow)

Also,
Given that
Average speed of the train is 72 km/hr

Now,
What we have to find is the time taken by the train to reach the destination.

Now,
We know that :-

Distance =speed X time
Or,
Time = distance /speed

Now,
Putting down the values :-

So,

Time =
$\frac{507}{72} hr = 7.04hr$

Also,
If we calculate in mixed fraction we will get the answer as follows :-

Time = 7 (3 / 72)
Or = 7( 1 / 26) hrs
Or = 7 hrs [(1 / 26) *60]
Or = 7 hrs 2.31 minutes (approximately)

So,
The time taken by the train is :-
7.04 hours
Or,
7 hours 2.31 minutes.