RRB Group D previous year question
What is the Highest Common Factor (HCF) of 252 and 378?
Asked in RRB Group D CBT-1: 09 Jan 2026 Shift 2 · Quantitative Aptitude
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Correct answer: (D) 126
HCF(252, 378) = 126 (252=2²×3²×7, 378=2×3³×7 → common factors 2×3²×7=126).
हिंदी में प्रश्न
252 और 378 का महत्तम समापवर्तक (HCF) ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 84
सही उत्तर: विकल्प D (84)
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