makhdoom ghaya
asked
in Quantitative Aptitude
Apr 21, 2017

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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 $a \neq b = 1$.

$a \bigtriangledown b = (ab)^{a+b}$ if $ab$ is positive

else $a \bigtriangledown b = 1$.

The value of $\frac{(2\neq3)\neq ((-1)\Delta 5)}{(1\Delta 2) \neq((-1)\neq5)}$ is

- $2/3$
- $1/2$
- $1/3$
- None of these