Given n(U) = 20, n(A) = 12, n(B) = 9, n(...

Given n(U) = 20, n(A) = 12, n(B) = 9, `n(AnnB)` = 5, where U is the universal set, A and B are subsets of U, then `n((AuuB)')` equals

A

4

B

9

C

11

D

17

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

Consider n(U)=20 , n (A) =12, n(B)=9, n(A nn B) =4, where U is the universal set, A and B are subsets of U, then n((A uu B)^c) =

If A and B are not disjoint sets, then n(A uu B)=

Let U be the universal set and A uu B uu C =U . Then [(A-B)uu (B-C)uu(C-A)]^c equals :

If n(U) = 100, n(A)=50, n(B)=20 and n(A nn B) = 10, then n{(A uu B)} =

Let n(U) = 700 , n (A) = 200 , n (B) = 300 and n (A nn B) =100, then n(A' nn B') =

If n(U) = 300, n(A)= 115, n(B)= 125 and n(A uu B) = 140 then n[(A nn B)] =

If n(A)=4,n(B)=3,n(AxxBxxC)=24 , then n(C ) equals

If A and B are any two finite sets then n (A) + n (B) is equal to

If X={4^n -3n-1 , n in N} and Y={9(n-1), n in N} , where N is the set of natural numbers, then X uu Y is equal to :

Let A be the set of 4 - digit numbers abcd, where a gt b gt c gt d , then n (A) equals :