SSC GD Constable previous year question
If the numerator of a fraction is increased by 10% and its denominator is diminished by 10%, then the fraction becomes 11/45. Find the original fraction.
Asked in SSC GD Constable 2025: 07 Feb 2025 Shift 3 · Quantitative Aptitude
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Correct answer: (B) 1/5
(1.1a)/(0.9b) = 11/45 ⟹ a/b = (11/45)×(0.9/1.1) = (11/45)×(9/11) = 9/45 = 1/5.
हिंदी में प्रश्न
यदि किसी भिन्न के अंश में 10% की वृद्धि की जाए और हर में 10% की कमी की जाए, तो भिन्न 11/45 हो जाती है। मूल भिन्न ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 1/5
(1.1a)/(0.9b) = 11/45 ⟹ a/b = (11/45)×(0.9/1.1) = (11/45)×(9/11) = 9/45 = 1/5।
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