SSC GD Constable previous year question
How many spherical balls of radius 8 cm can be made by melting a hemisphere of radius 48 cm?
Asked in SSC GD Constable 2024: 22 Feb 2024 Shift 2 · Quantitative Aptitude
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Correct answer: (B) 108
Hemisphere volume=(2/3)π×48³. Each ball=(4/3)π×8³. Number = (2×48³)/(4×8³) = (48/8)³/2 = 216/2 = 108.
हिंदी में प्रश्न
48 cm त्रिज्या वाले एक अर्धगोले को पिघलाकर 8 cm त्रिज्या वाली कितनी गोलाकार गेंदें बनाई जा सकती हैं?
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उत्तर और व्याख्या देखें
सही उत्तर: (B) 90
Hemisphere volume=(2/3)π×48³. Each ball=(4/3)π×8³. Number = (2×48³)/(4×8³) = (48/8)³/2 = 216/2 = 108.
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