Question

what is parmutaion and combination

Answer 1

The number of possible combination of r objects from a set on n objects. ... Hence , Permutation is used for lists (order matters) and Combination for groups (order doesn't matter) . Famous joke for the difference is : A “combination lock” should really be called a “permutation lock”.

Answer 2

The number of possible combination of r objects from a set on n objects. ... Hence , Permutation is used for lists (order matters) and Combination for groups (order doesn't matter) . Famous joke for the difference is : A “combination lock” should really be called a “permutationlock”.