For any set 5 let n(S) denote the number of elements in S. HA, B and C are sets such that n(A\cupB\cupC)=31,n(A)=20,n(b)=16,n(C)=8,n(A\capB\capC')=3,n(A\capB\capC)=2and n(A\capB'\capC)=4 then n(A\capB\capC)=

AP ICET 2018 Afternoon Question Paper

Question : 113 of 200

Marks: +1, -0

For any set 5 let n(S) denote the number of elements in S. HA, B and C are sets such that

n(A∪B∪C)=31,n(A)=20,n(b)=16,n(C)=8,n(A∩B∩C')=3,n(A∩B∩C)=2

and

n(A∩B'∩C)=4

then

n(A∩B∩C)=

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