Speed of the train = 63 kmph Length of train = 340 m Time taken by train to pass the man = 18 s Relative speed =
Lengthoftrain
Timetakenbytraintopasstheman
=
340
18
=
170
9
m/s
Relative speed =
170
9
×
18
5
=68 kmph Since, they travelin the opposite direction Relative speed = Speed of train + Speed of man Speed of man = Relative speed - Speed of train = 68 - 63 = 5 kmph