Math Chapter Wise question with answer

Q01 What will be the number of reflexive relation in a set having 8 elements? English · TGT 1999 Q02 The number of reflexive relations on a set containing 4 elements is English · UP PCS (Pre) 2009 Q03 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 Q04 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 Q05 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 Q06 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