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Q: The length of a brigade which a train 130 m long and traveling at 45kmph can cross in 30 seconds, is

  • 1
    196 mts
  • 2
    220 mts
  • 3
    230 mts
  • 4
    245 mts
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Answer : 4. "245 mts"
Explanation :

Answer: D) 245 mts Explanation: Let the length of the brigade is x mtsThen Distance = 130 + x mtsgiven speed = 45 kmph = 45 x5/18 m/sTime = 30 secT = D/S => 30 = 130+x/(45x5/18)=> x = 245 mts.

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