Question
Mathematics Question on sets
If n(A∪B)=97, n(A∩B) = 23 and n(A-B)=39, then n(B) is equal to
A
52
B
55
C
58
D
62
E
65
Answer
58
Explanation
Solution
The correct option is (C) : 58
If n(A∪B)=97, n(A∩B) = 23 and n(A-B)=39, then n(B) is equal to
52
55
58
62
65
58
The correct option is (C) : 58