19From 8 men and 8 women, a committee of 5 is to be formed with exactly 3 men and 2 women. In how many ways can it be done?A84B4,368C18,816D1,568View AnswerDiscussWorkspaceReportSaveMedium
20How many diagonals does a polygon with 9 sides have?A54B72C36D27View AnswerDiscussWorkspaceReportSaveMedium