AP Police SI previous year question
A cone (h=9cm, base dia 18cm) is cut from a solid sphere (r=9cm). % wood wasted is
Asked in AP Police SI Prelims: 2018 (Paper I & II) · Quantitative Aptitude
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Correct answer: (A) 75
Vsphere=972π, Vcone=243π. Wasted=(972−243)/972×100=75%.
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हिंदी में प्रश्न
एक ठोस गोले (r=9cm) में से एक शंकु (h=9cm, आधार व्यास 18cm) काटा जाता है। बर्बाद हुई लकड़ी का प्रतिशत है
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 75
Vगोला=972π, Vशंकु=243π। बर्बाद=(972−243)/972×100=75%।
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