SSC CHSL Tier-1 previous year question
A hemispherical tank of inner radius 3m is filled at 1800π liters/min. How long to fill? (1m³=1000L)
Asked in SSC CHSL Tier-1 (14 Nov 2025 Shift 1) · Quantitative Aptitude
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Correct answer: (B) 10 minutes
Volume = (2/3)π(3)³ = 18π m³ = 18000π liters. Time = 18000π/1800π = 10 minutes.
हिंदी में प्रश्न
एक अर्धगोलाकार टैंक की आंतरिक त्रिज्या 3 मीटर है, जिसे 1800π लीटर/मिनट की दर से भरा जाता है। भरने में कितना समय लगेगा? (1 मीटर³ = 1000 लीटर)
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 10 मिनट
आयतन = (2/3)π(3)³ = 18π मीटर³ = 18000π लीटर। समय = 18000π/1800π = 10 मिनट।
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