RRB Technician Grade 3 previous year question
Find the fourth proportional to 3.5, 7.5, and 6.3.
Asked in RRB Technician Grade 3 (09 Mar 2026 Shift 2) · Quantitative Aptitude
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Correct answer: (A) 13.5
Fourth proportional x satisfies 3.5:7.5 = 6.3:x, so x = 7.5×6.3/3.5 = 13.5.
हिंदी में प्रश्न
3.5, 7.5 और 6.3 का चतुर्थानुपाती ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 13.5
चौथा समानुपाती x, 3.5:7.5 = 6.3:x को संतुष्ट करता है, अतः x = 7.5×6.3/3.5 = 13.5।
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