state gov Rajasthan Patwari Mock Test Series 2025 Quantitative Aptitude Simplification Surds and Indices

यदि 5x = 6y = 307 है तब \(\frac{xy}{x + y}\) का मान है: 

1
\(\frac{1}{7}\)
2
3
3
6
4
7
5
अनुत्तरित प्रश्न
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