Math Chapter Wise question with answer

Q01 Let f: A → → → B and g: B → → → C be both injective mapping such that gof: A → → → C is injective, then English · DSSSB PGT 2021 Q02 Let A be a set of n elements and B be a set of m elements, then the total number of mapping from A to B is English · DSSSB PGT 2021 Q03 Let A be a set of 4 elements and B be a set of 3 elements, then the total number of surjective mappings from A to B... English · DSSSB PGT 2021 Q04 If f: R→ → →R and g: R→ → →R are two mappings defined as f(x) = x2 and g(x) = x2 +2, then English · PGT 2010 Q05 If f:X→ → →Y and g:X→ → →Yare one-one and onto mappings, then the value of (gof)–1 is English · (GIC) Lecturer exam, 2015 Q06 If: R → → → R and g: R→ → →R are two mappings such that f(x) = 2x and g(x) = x2 + 2 then what will be the value of... English · TGT 2013