Question

A train 110 metre long travels at m/sec. How long does it take to cross, another train 170 metre long standing on another parallel track.
(A) 15.3 sec (B) 16.8 sec (C) 70.2 sec (D) 25 sec
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Answer 1

opton b is correct

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Answer 2

Step-by-step explanation:

Speed = 60 km/h = 60×518m/s=503m/s

Required time = 110+170503=280×350

= 16.8 s