Math Chapter Wise question with answer

Q01 If A and B are two sets such that A×B = φ, then which of the following must be true? English · DSE TGT 2022 Q02 If f: A → → → B be a mapping and P ⊂ ⊂ ⊂ A, then which of the following is true? English · DSSSB PGT 2021 Q03 If { { { } } n A 4 3n 1,n N = − − ∈ = − − ∈ = − − ∈ = − − ∈ and (()) { { } } B 9 n 1,n N = − ∈ = − ∈ = − ∈ = − ∈ th... English · UP PGT-2016 (02-02-2019) Q04 If A and B are two events for which (()) 5 6 ∪ = P A B, ((())) ((()) 1 1, 3 2 ∩ = ∩ = ∩ = ∩ = P A B P B, then P(A)... English · PGT 2013 Q05 If A and B are to sets, then which of the following correct? English · TGT 2009 Q06 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