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यदि X, Y से 20% कम है, तो $\frac{y - x}{y}$ और $\frac{x}{x - y}$ का मान ज्ञात करें –

1
$\frac{1}{5}, - 4$
2
$5, \frac{1}{4}$
3
$\frac{2}{5}, \frac{5}{2}$
4
$\frac{3}{5}, \frac{3}{5}$

Answer:- 1

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