A train, 110 m long, is running at a speed of 60 km/hr. How many seconds does it take to cross another train, 170 m long, standing on parallel track ?
A. 15.6 sec
B. 16.8 sec
C. 17.2 sec
D. 18 sec
Answers
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Total distance to travel = 110+170 = 280m = 0.28km
Velocity = 60km/hr
Time taken = Distance/Velocity
= 0.28/60 hr
= 0.28 min = 0.28×60s = 16.8s
Hence option (B) is the correct answer
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