RRB NTPC CBT-1 previous year question
Find the third proportional to 240 and 120.
Asked in RRB NTPC 2026 — 14 June Shift 3 · Quantitative Aptitude
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Correct answer: (C) 60
The third proportional x to 240 and 120 satisfies 240:120 = 120:x, so x = 120*120/240 = 60.
हिंदी में प्रश्न
240 और 120 का तृतीयानुपाती ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 80
240 और 120 का तृतीयानुपाती x, 240:120 = 120:x को संतुष्ट करता है, अतः x = 120*120/240 = 60 है।
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