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 Which of the following is not true? English · DSSSB PGT 2021 Q03 If f: A → → → B be a mapping and P ⊂ ⊂ ⊂ A, then which of the following is true? English · DSSSB PGT 2021 Q04 Which of the following is true? English · DSSSB PGT 2021 Q05 Which of the following statement is/are true? I: If B is countable subset of an uncountable set A, then A – B is co... English · UPPSC GDC 2021 Q06 If { { { } } n A 4 3n 1,n N = − − ∈ = − − ∈ = − − ∈ = − − ∈ and (()) { { } } B 9 n 1,n N = − ∈ = − ∈ = − ∈ = − ∈ th... English · UP PGT-2016 (02-02-2019)