Question
Download Solution PDFएक ठोस शंकु के आधार की त्रिज्या 21 सेमी और उसकी ऊँचाई 9 सेमी है। शंकु का आयतन क्या है?
This question was previously asked in
RPF Constable 2024 Official Paper (Held On 05 Mar, 2025 Shift 2)
Answer (Detailed Solution Below)
Option 2 : 4158 सेमी3
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RPF Constable Full Test 1
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Detailed Solution
Download Solution PDFदिया गया है:
आधार की त्रिज्या (r) = 21 सेमी
ऊँचाई (h) = 9 सेमी
प्रयुक्त सूत्र:
शंकु का आयतन (V) =
गणना:
V =
⇒ V =
⇒ V =
⇒ V =
⇒ V =
⇒ V = 4158 सेमी3 (π = 22/7 लेने पर)
∴ सही उत्तर विकल्प (2) है।
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