railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Number System Quick Math
Let A and B be two finite sets such that \(n(A \cap B) = 12\), n (A - B) = 24, n (B - A) = 45, find n(A) and n(B).
1
36, 57
2
33, 12
3
36, 69
4
12, 33