por O What I have learned This time you have learned that there are various types of sets like Null set and Universal set Complete the statement. _ __________contains a group of objects or elements which are available in all the sets while there are some sets that do not contain any element at all. We It is represented by the symbol call it______or_____it is represented by the symbol__or__.
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Answer:
• Universal Set
• Null Set
• Empty Set
• ∅
• { }