16How many relations are possible on a set with 3 elements?A9B64C27D512View AnswerDiscussWorkspaceReportSaveEasy
18The number of ways to arrange the letters of 'LEVEL' is:A120B30C60D20View AnswerDiscussWorkspaceReportSaveEasy
19A tautology is a statement that is:AAlways trueBUndefinedCAlways falseDSometimes trueView AnswerDiscussWorkspaceReportSaveEasy