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QA – Placement Quizzes | Trains, Boats and Streams | Question 11

  • Last Updated : 28 Jun, 2021
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Length of the platform is 100 meters, if a train running at a speed of 90 m/sec, crosses the platform in 2 sec. What is the length of the train?
(A) 100 m
(B) 80 m
(C) 120 m
(D) 90 m

Answer: (B)

Explanation: relative distance = L+100

V = D/T

90  =( L+100)/2 = 80 meters

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