RRB Technician Grade 3 previous year question
The sum of the prime factors of 84 is:
Asked in RRB Technician Grade 3 (09 Mar 2026 Shift 2) · Quantitative Aptitude
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Correct answer: (A) 14
84 = 2×2×3×7, so the sum of its prime factors (with repetition) = 2+2+3+7 = 14.
हिंदी में प्रश्न
84 के अभाज्य गुणनखंडों का योगफल कितना होगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 14
84 = 2×2×3×7, अतः इसके अभाज्य गुणनखंडों (पुनरावृत्ति सहित) का योग = 2+2+3+7 = 14।
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