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Trains P and Q are of equal length. P passes Q standing at a station in 30 s, and passes Q moving towards it at 36 km/h in 20 s. How long would P take to pass Q if Q ran at 36 km/h in P's direction?

Competition practiceProblems on Trains
  • A20 s
  • B15 s
  • C60 s
  • D30 s

Step-by-Step Solution

→ m/s and the two lengths total 600 m. Same direction: s.
Answer: C) 60 s

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