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  9. Q16

BPSC (Bihar PCS) 2019 · Question 16 of 148

Two trains, each of length 150 metres, are moving in opposite directions with equal speed of 90 km per hour. The time taken by the trains to cross each other will be

Mental Ability

  1. A3 seconds
  2. B4.5 seconds
  3. C6 secondsCorrect
  4. D9 seconds
  5. ENone of the above/More than one of the above

Answer: C. 6 seconds

Explanation

Relative speed = sum of speeds; time = total distance (300 m) divided by relative speed gives 3 seconds.

Source: Jagranjosh

← Q15View full paper (148 questions)Q17 →

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