Question

If n( A )=30,n(B)=25 & n(AUB)=36 then n (AnB)=?

29

19

13

39

​

Answer 1

Answer:

We know that

n(AUB)= n(A) + n(B) - n (AnB)

Hence

n (AnB) = 30 + 25 - 36 = 19

Please Mark it Brainliest

Answer 2

Answer:

19

Step-by-step explanation:

by formula n(A) + n(B) - n (A u B) =n(A n B)

Now substitute values i.e. 30 +25 -36

=55-36

=19

Hence 19 is correct answer