Math Chapter Wise question with answer

Q01 If R be a relation on the set N of natural numbers defined by “nRm if n divides m”, then the relation R is English · Bihar (TRE 2.0)-2023 Q02 If there are n elements in a set A, then the number of binary relations defined on the set A is English · Bihar (TRE 2.0)-2023 Q03 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 Q04 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 Q05 Relation B in the set of real numbers R is defined as: B={(a, b): a ≤ b2, a e R, b e R}. Then the relation is: 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