Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Quantitative Aptitude Number System Integers
X × Y = { (a, b); a belongs to X, b belongs to Y} IXI = n, IYI = m, then What is the value of IX × YI = ?
1
m2
2
m2n2
3
n2
4
More than one of the above
5
None of the above