Math Chapter Wise question with answer

Q01 If A and B are countable sets, then A × B is English · DSE TGT 2019 Q02 If A and B are two sets, then English · Bihar (TRE 2.0)-2023 Q03 If A and B are two sets with A∩ ∩ ∩B = φ, then English · Bihar (TRE 2.0)-2023 Q04 Two sets A and B contains 4 and 5 elements respectively. Number of one - one and onto mapping from A to B is/are: English · KVS PGT 2023 Q05 If A and B are subsets of the set of integers such that A={x:−4 ≤ x ≤ 10} and B = {x:−3 < x < 9}, then A∩ ∩ ∩B equa... English · NVS PGT 2022 Q06 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