AP Police SI previous year question
If r is a rational number whose denominator exceeds its numerator by 3, and if 5 is subtracted from both, it becomes 2/3, then r =
Asked in AP Police SI Prelims: 2023 (Paper I & II) · Quantitative Aptitude
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Correct answer: (D) 11/14
Let numerator = n, denominator = n+3. (n−5)/(n−2) = 2/3 → 3n−15 = 2n−4 → n = 11. r = 11/14.
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हिंदी में प्रश्न
यदि r एक परिमेय संख्या है जिसका हर उसके अंश से 3 अधिक है, और यदि दोनों में से 5 घटाया जाए तो यह 2/3 हो जाती है, तो r =
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सही उत्तर: (D) 11/14
मान लीजिए अंश = n, हर = n+3। (n−5)/(n−2) = 2/3 → 3n−15 = 2n−4 → n = 11। भिन्न r = 11/14।
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