Math Chapter Wise question with answer

Q01 In a matrix space (X, d), A be any subset. A point, x ∈ X is called a limit point of A, if for every open ball B (X... English · DSSSB PGT 2021 Q02 In metric space (X, d), if A be any subset, then A ⊂ ⊂ ⊂X is closed if and only if- 1. A =A° 2. A = A 3. A ⊂ ⊂ ⊂A°... English · DSSSB PGT 2021 Q03 Let A = {A1, A2, A3...} be an infinite collection of closed sets. Which of the following is true? English · JSSC PGT 2018 Q04 In a metric space (X, d), A be a metric space, then the largest open subset of AC (complement of A) is English · DSSSB PGT 2021 Q05 If there are two subsets A and B of a metric space (X, d), then which of the following is false? English · DSSSB PGT 2021 Q06 A subset Y of a topological space (X, τ τ τ) is no where dense if - English · UP Higher Asst. Prof. 2021