If X and Y are two sets such that n (X) = 17, n (Y) = 23 and n ( X ∪ Y ) = 38 , find n ( X ∩ Y ) find n ( X ∩ Y ) If X and Y are two sets such that n (X) = 17 n (Y) = 23 and n ( X ∪ Y ) = 38 October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related