Math Chapter Wise question with answer

Q01 Let A and B be two sets defined by: A = {(x, y): y2 = 3; x, y ∈ R} B = {(x, y): x2 = 2; x, y ∈ R} Then, the number... English · EMRS PGT-2023 Q02 Let f: X→ → →Y when X and Y are finite sets |X| = m, |Y| = and m > n, then there exist at least two distinct elemen... English · OAVS TGT 2022 Q03 Let A be a set of 4 elements and B be a set of 3 elements, then the total number of surjective mappings from A to B... English · DSSSB PGT 2021 Q04 Let A and B be two sets having 5 common elements. Then number of elements common to A × × ×B and B× × ×A is: English · PGT 2000 Q05 Let X and Y be two sets such that X and Y have n elements in common. The number of elements common X× × ×Y and Y× ×... English · UP PCS (Pre) 1999 Q06 Let a set A contains n elements and f:A→ → →B be a bijective map, then B contains English · (GIC) Lecturer exam, 2015