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Agniveer Navy Sets, Relations and Functions — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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A relation from A to B is:Equivalence relation requires:If a set $A$ has $4$ elements, the number of subsets of $A$ is:For sets $A = \{1, 2, 3, 4\}$ and $B = \{3, 4, 5, 6\}$, $A \cup B$ is: