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If $X=\{a,b,c,d\}$ and $Y=\{f,b,d,g\}$,find (ii) $Y-X$

$\begin{array}{1 1}(A)\;\{f,b,d,g\}&(B)\;\{f,g\}\\(C)\;\{a,b,c,d\}&(D)\;\phi\end{array} $

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1 Answer

$Y=\{f,b,d,g\}$
$X=\{a,b,c,d\}$
$b,d$ are common element in both set $X$ & $Y$
$Y-X=\{f,b,d,g\}-\{a,b,c,d\}$
$\Rightarrow \{f,g\}$
Hence (B) is the correct answer.
answered May 28, 2014 by sreemathi.v
 

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