Quantitative Aptitude Ratio and Proportion Simple Ratios

x/y = 4/5 எனில், \(\frac{{5x + 7y}}{{5x - 7y}} + \frac{{6x + 4y}}{{7x - 8y}}\)  இன் மதிப்பு:

1
\( - \frac{{22}}{3}\)
2
\( - \frac{{5}}{4}\)
3
\(- \frac{{11}}{3}\)
4
\(- \frac{{3}}{2}\)

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