33.A train 150 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?
A. 9 sec
B. 10 sec
C. 6 sec
D. 15 sec
Option : A
Speed of the train relative to man = (68 - 8) kmph
=
|
|
60 x
|
5
|
|
m/sec =
|
|
50
|
|
m/sec
|
18
|
3
|
Time taken by the train to cross the man
= Time taken by It to cover 150 m at
|
|
50
|
|
m/sec =
|
|
150 x
|
3
|
|
sec = 9 sec.
|
3
|
50
|
