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Doctors Medicines MCQs Q&A

  1. 162 m, 12 m/sec.
  2. 160 m, 20 m/sec.
  3. 112 m, 26 m/sec.
  4. 119 m, 21 m/sec.
  5. None of these
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1 Answers

Option 2 : 160 m, 20 m/sec.

Let the length of the train be x metres.

⇒ x/8 = (120 + x)/14

⇒ 14x = 960 + 8x

⇒ 6x = 960

∴ x = 160 m

∴ Speed of the train = Distance/Time = 160/8 = 20 m/sec.
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