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  1. A 75 metre long train is moving at 20 kmph. It will cross a man standing on the platform in
    1. 12 seconds
    2. 14 seconds
    3. 13.5 seconds
    4. 15.5 seconds
Correct Option: C

Speed of train (in m/s) = 20 ×
5
=
50
m/sec
189

Required time =
75
× 9
50

= 13.5 seconds


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