Let A and B be two sets such that
`n(A)=20`
`n(AcupB)= 42`,` n(AcapB)= 4`.Find
`n(B)`

Let A and B be two sets such that n(A)=20 n(AcupB)= 42 , n(AcapB)= 4 .Find n(A-B)

Let 'A' and 'B' be two finite set such 'that n(A-B)=15, n(A ⋃ B)=90, n(A ∩ B)=30 . Find n(B).

Let A and B be finite sets such that n(A-B)=18,n(AcapB)=25 and n(AcupB)=70 Then n(B) is equal to

A and B are two events such that P(A)=0.54 , P(B)=0.69 , and P(AcapB)=0.35 find P(AcupB)

If A and B are two sets such that n(AbigcupB)=17 and n(AbigcapB)=5 , find n(A)+n(B)

If X and Y are two sets such that n(X)=17 , n(Y)=23 and n(XuuY)=38 , Find n(Xnn Y) .

If A and B are two sets such that A subsetB ,then what is AcapB ?

Let A and B are 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.

If X and Y are two sets such that n (X) = 17, n (Y) = 23 and n (X cupY) =38, find n (X cap Y)