RRB Technician Grade 3 previous year question
Given that 740.45 = x, 740.12 = y and xz = y2, then the value of z is close to:
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 3) · Quantitative Aptitude
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Correct answer: (B) 0.53
xz=y2 means 74^(0.45z)=74^(0.24), so 0.45z=0.24, giving z=0.24/0.45≈0.53.
हिंदी में प्रश्न
दिया गया है कि 740.45 = x, 740.12 = y और xz = y2 है, z का निकटतम मान ज्ञात कीजिए।
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उत्तर और व्याख्या देखें
सही उत्तर: (B) 0.53
xz=y² से 74^(0.45z)=74^(0.24), अतः 0.45z=0.24, z≈0.53 प्राप्त होता है।
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