The number of one one functions that can be defined from `{1, 2, 3, 4}` onto `{a, b, c,d}` is

The number of one one function that can be defined from {a, b, c, d} into {1, 2, 3, 4,5, 6} is

The number of onto functions that can be defined from A={1, 2, 3} to B={a, b, c, d}

The number of one - one functions that can be defined from A={a, b, c, d} into B={1, 2, 3, 4} is

The number of surjections that can be defined from {1, 2, 3, 4, 5} onto {a, b, c} is

The number of surjections that can be defined from {1, 2, 3, 4, 5} onto {a, b} is

The number of one one onto functions that can be defined from {1,2,3,4} onto set B is 24 then n(B) =

The number of one one onto functions that can be defined from A={a,b,c,d} into B={1,2,3,4} is

4) 5! 65. The number of one one functions that can be defined from A= {a, b? into B={1, 2, 3, 4, 5} iS 1) 5Ps 2) 5C3 3) 53 4)35

The number of onto functions that canbe defined from A = {a, b, c, d, e} to {1, 2} is