Question

n(A) =20, n(AnB) =10, AUB=35,find n(B) =? ​

Answer 1

Answer:

3837 r736473x 48y 37 ÷ 47+455÷566

Answer 2

Answer:

Step-by-step explanation:

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

Or, 35=20+n(B)-10

Or,35=10+n(B)

Or,n(B)=35-10=25 (answer)