If n(A)= 17, n(B)= 13 and n(A⋃B)= 24, find n(A⋂B).Instructions: just write the number in the provided blank.

If n(A)= 10, n(B)= 6 and n(A⋃B)= 12, find n(A⋂B).

Let A and B be two finite sets such that n(A)=20, n(B)=28 and n(A⋃B)=36, find n(A⋂B).Instructions: just write the number in the provided blank.

If a2 – b2 = 17 where a and b are natural numbers, then value of a is :

If   3, 6, n A xx n n N = =     9, 4, n B xx n n N = =   then find A B, A B and A B − .

Given that 𝑛𝐶4𝑛𝑃2= 12, find n