RRB Group D previous year question
Solve: (9.73×9.73×9.73 + 7.27×7.27×7.27) / (9.73×9.73 − 9.73×7.27 + 7.27×7.27)
Asked in RRB Group D CBT-1: 08 Jan 2026 Shift 1 · Quantitative Aptitude
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Correct answer: (C) 17
a³+b³ = (a+b)(a²−ab+b²), so the expression simplifies to a+b = 9.73+7.27 = 17.
हिंदी में प्रश्न
(9.73×9.73×9.73 + 7.27×7.27×7.27) / (9.73×9.73 − 9.73×7.27 + 7.27×7.27) को हल करें।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 16
सही उत्तर: विकल्प C (16)
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