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Home  >>  CBSE XI  >>  Math  >>  Sets
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If $X=\{a,b,c,d\}$ and $Y=\{f,b,d,g\}$,find (i) $X-Y$

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

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1 Answer

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

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