Multiple choice

A 450 meter long train crosses a bridge 650 meters long in 36 seconds. What is speed (in km/hr) of the train? 450 मीटर लंबी ट्रेन 36 सेकंड में 650 मीटर लंबा एक पुल पार करती है। ट्रेन की गति (किमी / घंटा में) क्या है?

  1. 110

  2. 125

  3. 150

  4. 95
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A Correct answer
Explanation

Total distance = length of train + length of bridge = 450 + 650 = 1100 m. Time = 36 seconds. Speed = 1100/36 = 30.56 m/s = 30.56 × 18/5 = 110 km/hr. When a train crosses a bridge/pole, add their lengths to get total distance covered.

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