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একটি ট্রেনের দৈর্ঘ্য 150 m। এটির গতিবেগ 41 kmph। এক ব্যক্তি 11 kmph গতিবেগ নিয়ে ট্রেনটির অভিমুখেই দৌড়চ্ছে। কত সময়ে ট্রেনটি ঐ ব্যক্তিকে অতিক্রম
করবে?
[A] 18 seconds
[B] 3/10 seconds
[C] 1/200 seconds
[D] 11/41 seconds
সঠিক উত্তর : 18 seconds
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