Multiple choice

A train is moving at a speed of 132 km/hr. If the length of the train is110 metres, how long will it take to cross a railway platform 165 metres long? एक ट्रेन 132 किमी / घंटे की चाल से चल रही है। यदि ट्रेन की लम्बाई 110 मीटर हो तो यह 165 मीटर लम्बे एक रेलवे प्लेटफार्म पार करने के लिए कितना समय लेगी?

  1. 7 ½ sec

  2. 8 ½ sec

  3. 9 ½ sec

  4. 11 ½ sec

  5. 12 ½ sec
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A Correct answer
Explanation

To cross a platform, the train must travel its own length plus the platform length. Total distance = 110 + 165 = 275 m. Speed in m/s = 132 × (5/18) = 36.67 m/s. Time = 275/36.67 ≈ 7.5 seconds.

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