26How many diagonals does a polygon with 14 sides have?A154B77C119D91View AnswerDiscussWorkspaceReportSaveMedium
2822 people are at a party and each person shakes hands with every other person exactly once. How many handshakes take place?A242B319C231D462View AnswerDiscussWorkspaceReportSaveEasy
29In how many ways can 9 people be seated around a circular table?A3,62,880B24,192C20,160D40,320View AnswerDiscussWorkspaceReportSaveMedium
30In how many different ways can the letters of the word 'COFFEE' be arranged?A720B90C180D360View AnswerDiscussWorkspaceReportSaveMedium