Multiple choice

A train 280 m. long is moving at a speed of 60 kmph. What is the time taken by the train to cross a bridge 320 m. long? 280 मी. लम्बी एक ट्रेन 60 किमी/घंटा की चाल से चल रही है। 320 मी. लम्बे एक पुल को पार करने में ट्रेन द्वारा लिया गया समय क्या है?

  1. 36

  2. 32

  3. 30

  4. 40
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A Correct answer
Explanation

Total distance to cross the bridge = train length + bridge length = 280 m + 320 m = 600 m. Speed = 60 km/h = 60 * (5/18) = 50/3 m/s. Time = distance / speed = 600 / (50/3) = 600 * 3 / 50 = 36 seconds.

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