SSC GD Constable previous year question
The LCM of 56, 30, 108 and 120 is:
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 3 · Quantitative Aptitude
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Correct answer: (B) 7560
Taking the highest powers of prime factors of 56(2³×7), 30(2×3×5), 108(2²×3³), 120(2³×3×5): LCM = 2³×3³×5×7 = 7560.
हिंदी में प्रश्न
56, 30, 108 और 120 का LCM है:
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 7560
56(2³×7), 30(2×3×5), 108(2²×3³), 120(2³×3×5) के अभाज्य गुणनखंडों की उच्चतम घातों को लेने पर: LCM = 2³×3³×5×7 = 7560।
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