TNPSC Group 2 2015 Paper

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Question : 47 of 100

Marks: +1, -0

If

\;{a}/{b}

=

\;{9}/{5}

then

\;{a\;+\;b}/{a−b}

= ?

$\;{3}/{7}$
$\;{7}/{3}$
$\;{2}/{7}$
$\;{7}/{2}$

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