Find the value of 

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

Detailed Solution

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Given:

Formula used:

Calculation:

∴ The correct answer is option (2).

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