SSC GD Constable previous year question
Two numbers are in the ratio of 4 : 9. If the mean proportional between them is 24, find the positive difference between the two numbers.
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 1 · Quantitative Aptitude
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Correct answer: (D) 20
Let numbers be 4x, 9x. Mean proportional = √(4x×9x) = 6x = 24 → x=4. Numbers = 16, 36; difference = 20.
हिंदी में प्रश्न
दो संख्याएँ 4 : 9 के अनुपात में हैं। यदि उनके बीच माध्य समानुपाती 24 है, तो दोनों संख्याओं के बीच धनात्मक अंतर ज्ञात करें।
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सही उत्तर: (D) 20
मान लीजिए संख्याएँ 4x, 9x हैं। माध्य समानुपाती = √(4x×9x) = 6x = 24 → x=4। संख्याएँ = 16, 36; अंतर = 20।
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