SSC CHSL Tier-1 previous year question
A solid cylinder is melted and recast into a cone of the same base radius. If the cylinder's height is h, what is the cone's height?
Asked in SSC CHSL Tier-1 (13 Nov 2025 Shift 3) · Quantitative Aptitude
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Correct answer: (A) 3h
Cylinder volume = πr²h; cone volume = (1/3)πr²H. Equating: (1/3)πr²H = πr²h → H = 3h.
हिंदी में प्रश्न
एक ठोस बेलन को पिघलाकर उसी आधार त्रिज्या के शंकु में ढाला जाता है। यदि बेलन की ऊँ चाई h है, तो शंकु की ऊँ चाई क्या होगी?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 3h
बेलन का आयतन = πr²h; शंकु का आयतन = (1/3)πr²H। बराबर रखने पर: H = 3h.
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