Math Chapter Wise question with answer

Q01 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 Q02 A relation R is defined N→ → →N as R={(a, b): a ≥ b, a∈N and b∈N}. Then R is: English · KVS PGT 2023 Q03 If n(A) = m and n(B) = n, then the total number of non-empty relations that can be defined from A to B are: English · KVS PGT 2022 Q04 If functions f: R → → → R and g: R → → → R are defined as f (x) = 2x2 −5 and g (x) = 2 x x 1 −, then gof is: English · KVS PGT 2022 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 A relation ρ is defined on a set N by "aρb if and only if a is divisible by b" for all a, b ∈ N. Then ρ is - English · DSSSB PGT 2021