Question

Let a and b be two sets such that n(a)=16, n(b)=14, n(a ∪ b)=25, then,n(a ∩
b.Is equal to

Answer 1

Step-by-step explanation:

we know

n(a)+n(b)-n(a∩b)=n(aUb)

16+14-n(a∩b)=25

n(a∩b)=5