0 votes 0 votes closed as a duplicate of: test series counting The number of pairs of set (X,Y) are there that satisfy the condition $X,Y\subseteq \left \{ 1,2,3,4,5,6 \right \}$ and $X\cap Y=\Phi$________________ Set Theory & Algebra set-theory&algebra + – srestha asked Sep 7, 2017 • closed Sep 7, 2017 by Habibkhan srestha 293 views comment Share Follow See all 2 Comments See all 2 2 Comments reply Shubhanshu commented Sep 7, 2017 reply Follow Share 30??? 0 votes 0 votes Nirmal Gaur commented Sep 7, 2017 reply Follow Share https://gateoverflow.in/100202/test-series-counting 1 votes 1 votes Please log in or register to add a comment.