का मान ज्ञात कीजिए।

This question was previously asked in
RPF Constable 2024 Official Paper (Held On 02 Mar, 2025 Shift 2)
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Answer (Detailed Solution Below)

Option 2 :
Free
General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins

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दिया गया है:

प्रयुक्त सूत्र:

गणना:

इसलिए, सही उत्तर विकल्प (2) है।

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