[" 8.2) In a hockey series between team "x" and "Y" ,they decide to play till a team wins "70" mateh.Then the "],[" number of ways in which team "x" wins is "(20)/(2)C_(m)" then "m" is equal to "],[" ( "3" - Three ladies have brought one chlid each for admission to a school.The principlal wants to "],[" interview the six persons one by one subject to the condition that no mother in mother is interviewed "],[" of perore her child.Then find the number of ways in which interiews can be arranged "]