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QA – Placement Quizzes | Trains, Boats and Streams | Question 10

  • Last Updated : 28 Jun, 2021
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What is the length of the platform, if a train running at a speed of 90 m/sec and length is 80 meters, crosses the platform in 2 sec?
(A) 120 m
(B) 150 m
(C) 125 m
(D) 100 m

Answer: (D)

Explanation: relative distance = L+80

V = D/T

90  =( L+80)/2 = 100 meters

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