2 hours after a freight train leaves delhi a passenger train leaves the same station travelling in the same direction at an average speed of 60 km/hr. after travelling 4 hrs the passenger train overtakes the freight train. the average speed of the freight train was?
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let the freight train is = f
and passenger is = p
let distance traveled by both the trains is
= d
so as distance/time = speed
d = vt
d = 60×4
d = 240km
and also we know
time taken by f = 6hr
so
v = d/t
v = 240/6
v = 40km/hr
so average speed of the
freight train = 40km/hr
hope it helps you
@di
and passenger is = p
let distance traveled by both the trains is
= d
so as distance/time = speed
d = vt
d = 60×4
d = 240km
and also we know
time taken by f = 6hr
so
v = d/t
v = 240/6
v = 40km/hr
so average speed of the
freight train = 40km/hr
hope it helps you
@di
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