Home » Aptitude » Speed, Time and Distance » Question
  1. How many seconds will a 500 metre long train take to cross a man walking with a speed of 3
    km/hr. in the direction of the moving train if the speed of the train is 63 km/hr ?
    1. 25 sec
    2. 30 sec
    3. 40 sec
    4. 45 sec
Correct Option: B

Relative speed of train = 63–3 = 60 kmph

= 60 ×
5
m/sec
18

∴  Time =
Length of train
Relative Speed

=
500 × 18
= 30 sec.
60 × 5


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