$A\cup A=$

Important Questions on Sets

EASY

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 6 - Sets>Chapter Assessment>Q 15

$A\cap A=$_____

HARD

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 6 - Sets>Chapter Assessment>Q 15

$A\cup \varphi =$_____

EASY

8th ICSE

IMPORTANT

ICSE NUMBERS WIZ>Chapter 6 - Sets>Chapter Assessment>Q 15

$A\cap \phi =$_____set  [empty/finite/infinite]