The diameter of a sphere whose volume is 113¹/₇ cubic metres is :113¹/₇ घन मीटर आयतन वाले गोले का व्यास है :

1. A3 metres3 मीटर
2. B6 metres6 मीटर
3. C7 metres7 मीटर
4. D14 metres14 मीटर

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Correct answer: B. 6 metres6 मीटर

Explanation

Volume = 113¹/₇ = 792/7 m³. Using (4/3)πr³ = 792/7 with π = 22/7 gives (88/21)r³ = 792/7, so r³ = 27 and r = 3 m. Diameter = 2r = 6 metres.आयतन = 113¹/₇ = 792/7 घन मीटर। (4/3)πr³ = 792/7 में π = 22/7 रखने पर (88/21)r³ = 792/7, अतः r³ = 27 तथा r = 3 मीटर। व्यास = 2r = 6 मीटर।