Question

If U = {a,b,c,d,e,f,g,h,i,j,k}; A= {a,b,c,d,e,f}; B = { b,c,d,e,}; C = { f,g,h}; and D = {a,e,g,i}. What is the cardinal numbers of this set n(A ∩ C)

Answer 1

Answer:

1

Step-by-step explanation:

because number of elements common in A and C is only 1 i.e. f