Question

If n(A) = 12, n(B) = 8, n(A U B)=14 then n(A ⋂ B)=?

Answer 1

Answer:

n(A)=12

n(A)={1,12},{2,6},{3,4},

A={1,2,3,4,6,12}

n(B)=8

n(B)={1,8},{2,4}

(B)={1,2,4,8}