Question

48. A train 110m long running at the speed of 60km/hr, how long
it will take to cross a man running in the opposite direction at
the speed if 10km/hr.
JAFCAT-2017-11
(a) 6 seconds
(b) 8 seconds
(c)
12 seconds
(d) 10 seconds​

Answer 1

Answer:

speed of the train=60×1000)/3600 m/s=50/3

speed of man=10×1000/3600m/s=25/9

Then time taken to finish crossing =

length of the train/(50/3+25/9)

=110/(150+25/9) =6 second