SSC GD Constable previous year question
The volume of a right circular cone is 168π cm³ and its height is 0.12 m. Find its radius.
Asked in SSC GD Constable 2025: 11 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (A) √42 cm
Height = 12 cm; Volume = (1/3)πr²h → r² = 504/12 = 42 → r = √42 cm.
हिंदी में प्रश्न
एक लंब वृत्तीय शंकु का आयतन 168π cm³ है तथा इसकी ऊँचाई 0.12 m है। इसकी त्रिज्या ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) √42 cm
ऊँचाई = 12 cm; आयतन = (1/3)πr²h → r² = 504/12 = 42 → r = √42 cm।
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