SOLUTION: In how many ways can a party of 6 children be chosen from a group of 10 children if if:(i) any child may be selected? (ii) the oldest child must not be selected? (iii) the youngest

Algebra ->  Permutations -> SOLUTION: In how many ways can a party of 6 children be chosen from a group of 10 children if if:(i) any child may be selected? (ii) the oldest child must not be selected? (iii) the youngest      Log On

(i)      =  = 210 

        (= the number of combinations of 10 items taken 6 at a time).


(ii)     =  = 84.


(iii)    =  = 126.


(iv)     =  =  70.