A and B are two sets such that n(A-B) = 15,`n(AnnB) = 10` and n(B-A) = 25.Find `n(A uuB),n(A) and n(B)`

If A and B are two sets such that : n(A)=17, n (A uu B)=38 and n (A nn B)=2 . Find: n (B), n (A - B) and n (B - A).

If A and B are two sets such that : n(A)=20, n (A uu B)=42 and n (A nn B)=4 . Find: n (B), n (A - B) and n (B - A).

Let A and B be two finite sets such that n(A) =85, n(B) = 65and n(A ∪ B) = 135, find n(A ∩ B)?

Let A and B are two matrices such that AB = BA, then for every n in N

Let A and B be Two Given Finite Sets Such That n(A) =20, n(B)=28, and n(A ∪ B) =36, Find n(A ∩ B).

Let A and B be two sets such that n(A) = 3 and n(B) = 2. If (x, 1), (y, 2),(z, 1) are in A xx B , find A and B. where x, y and z are distinct elements.

Let A and B be two sets such that n (A) = 5 and n(B) = 2. If a, b,c, d, e are distinct and (a, 2), (6, 3), (c, 2), (d, 3), (e, 2) are in A xx B , find A and B.

Let n(U)=500. If A and B are such that n(A)=200, n(B)=300 and n(AcapB) =100 then n(A' cap B') is equal to:

If A and B are two disjoint sets, then n(AcupB) is equal to: