Math Chapter Wise question with answer

Q01 Let X = {1 2, 3, 4, 5,}, A = {1, 2}, B = {3, 4, 5} and φ denote the void set. If S × T denotes the Cartesians produ... English · EMRS PGT-2023 Q02 Let A = [ 1, ∞ ∞ ∞), B = (3, ∞ ∞ ∞) and C = (–∞ ∞ ∞, 2).Then, (A ∩ B) ∪ (A ∩ C) equals: English · EMRS PGT-2023 Q03 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 Q04 Let n (∪ ∪ ∪) = 30, n (A') = 15, n(B) =5 and n (A ∩ ∩B) = 3, then n (A ∪ ∪ ∪ B) is: English · KVS PGT 2023 Q05 Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. It’s Subsets B, C and D are defined as: B ={ x: x is an odd integer } C={ x... English · KVS PGT 2022 Q06 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