in Quantitative Aptitude
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The following operations are defined for real numbers:

$a \neq  b = a + b$ if $a$ and $b$ both are positive

else $a \neq b = 1$

Given that $\frac{(x\neq (-y))}{(-x\Delta y)}$ is equal to $3/8$, for two integers $x$ and $y$, which of the following statements is true:

  1. Both $x$ and $y$ are negative
  2. $x = 1$ and $y =2$ 
  3. $x < 0, y > 0$
  4. $x > 0, y < 0$
in Quantitative Aptitude
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