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A man sitting in a train which is traveling at 50 kmph observes that a goods train, traveling in opposite direction, takes 9 seconds to pass him. If the goods train is 150 m long, find its speed.
- A2 kmph
- B4 kmph
- C7 kmph
- D10 kmph
Correct answer: D
Discussion 1
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CCommunity
10 kmph
Relative speed = (150/9) m/sec
Relative speed = (150/9) m/sec