Let X= {1,2,3}, Y= {}, Z= {1,2,3}, then which of the following is true?
Posted: Wed Jul 13, 2022 8:09 pm
a) X⊂Y
b) Only Y⊂X and Y⊂Z
c) Z⊂Y
d) Y⊂X and Y⊂Z and X⊂Z
b) Only Y⊂X and Y⊂Z
c) Z⊂Y
d) Y⊂X and Y⊂Z and X⊂Z
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