Math Chapter Wise question with answer

Q01 A function f from the set of natural numbers to integers defined by n -1, when n is odd 2 is: n -, when n is even 2... English · EMRS PGT-2023 Q02 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 Q03 The set of natural numbers has: English · OAVS TGT 2022 Q04 If N is the set of natural numbers then the mapping f: N → → → N defined by () x 1 if xisodd f x,is x –1 if xiseven... English · UP PGT 2021 Q05 If n 1 1 A 1,3 n n = + − for all natural numbers n, then n N ∪ ∈ An is, where N is the set of natural numbers. English · UKPSC Lecturer (Mains) 2020 Q06 A relation R in the set of natural numbers defined by aRb, if a and b are Co-prime, then R is English · PGT 2010