Question

Q1: If n (A) = 10 , n (B) = 15 and n (ADB)= 7 the find n (AUB)
1. 18
2.25
3. 22
4 17​

Answer 1

Answer:

22

Step-by-step explanation:

Hope it will helpful for you thanks...

Answer 2

Answer:

18

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

= 10+ 15 -7

=18