Question
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This question was previously asked in
RPF Constable 2024 Official Paper (Held On 02 Mar, 2025 Shift 2)
Answer (Detailed Solution Below)
Option 2 :
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General Science for All Railway Exams Mock Test
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ব্যবহৃত সূত্র:
গণনা:
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∴ সঠিক উত্তর হল বিকল্প (2)।
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