Re: jnu 2010

Posted by aditi5000 on May 18, 2012; 8:57am
URL: http://discussion-forum.276.s1.nabble.com/jnu-2010-tp7561215p7565121.html

q 33

The question says that union X = S = union Y so they two collections of sets need to have the same number of elements in order to be equal naa??
5* 20 = 100
and every Yj contains 2 elements so 2n = 100 ie n = 50 ---option D