CAT2018-2: 91
For two sets $A$ and $B$, let $A \triangle B$ denote the set of elements which belong to $A$ or $B$ but not both. If $P=$ {$1,2,3,4$}, $Q =${$2,3,5,6$}, $R=$ {$1,3,7,8,9$}, $S =$ {$2,4,9,10$}, then the number of elements in $(P\triangle Q)A(R\triangle S)$ is $9$ $7$ $6$ $8$
For two sets $A$ and $B$, let $A \triangle B$ denote the set of elements which belong to $A$ or $B$ but not both. If $P=$ {$1,2,3,4$}, $Q =${$2,3,5,6$}, $R=$ {$1,3,7,8,9$}, $S =$ {$2,4,9,10$}, then the number of elements in $(P\triangle Q)A(R\triangle S)$ is $9$ $7$ $6$ $8$
asked
Mar 20, 2020
in Quantitative Aptitude
jothee
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