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HEC ETC - USAT E Entry Test - Mathematics - Sets Functions and Groups - Quiz 3

Practice 10 high yield MCQs on Mathematics from Chapter Sets Functions and Groups for USAT E Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 3 of the series.

21. Which forms a group?



22. What is the identity element for addition?



23. Which operation forms an abelian group?



24. What is the order of a group?



25. What is a subgroup?



26. Which is a subgroup of Z under addition?



27. Which forms a group?



28. What is a relation?



29. Which function has an inverse?



30. What property does function composition have?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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