SSC GD Constable previous year question
The height of a right circular cone is 10 cm and the radius of its base is 24 cm. Find the curved surface area of the cone (in cm²).
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
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Correct answer: (A) 624π
Slant height l=√(10²+24²)=√676=26. Curved surface area = πrl = π×24×26 = 624π cm².
हिंदी में प्रश्न
एक लम्ब वृत्तीय शंकु की ऊंचाई 10 cm है और इसके आधार की त्रिज्या 24 cm है। शंकु का वक्र पृष्ठीय क्षेत्रफल (cm² में) ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 624π
तिर्यक ऊंचाई l=√(10²+24²)=√676=26। वक्र पृष्ठीय क्षेत्रफल = πrl = π×24×26 = 624π cm²।
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