Math, asked by antonyanuj7981, 7 months ago

A and B are two sets such that n(A-B)=15 n(AnB)=10 and n(B-A)=25 find n(AUB and n(B)

Answers

Answered by rigourikumar
1

Answer:

the ans is option b) 20

Step-by-step explanation:

Similar questions