Teaching Railway Teacher PRT 2025 Mock Test Series Quantitative Aptitude Algebra Identities

If 5x -3y = 35 and xy = -20, then what is the value of \(\rm \frac{25x}{y}+\frac{9y}{x}\)?

1
\(-\frac{125}{4}\)
2
\(\frac{125}{4}\)
3
\(\frac{25}{4}\)
4
\(-\frac{25}{8}\)
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