Class 12 Relations And Functions · Mcq Single Correct1 Markscounting_functions Class 12 Maths · Relations And Functions · Mcq Single Correct #73 If \(|A|=5\) and \(|B|=6\), the number of one-one and onto mappings from \(A\) to \(B\) is (A) 720(B) 120(C) 0(D) None of these