Maximum number of equivalence relations on set A = {1, 2, 3, 4} is N , then -

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1.Relation and Function

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Maximum number of equivalence relations on set $A = \{1, 2, 3, 4\}$ is $N$, then -

A

$14 \leq N \leq 20$

B

$21 \leq N \leq 28$

C

$29 \leq N \leq 36$

D

$N \geq 37$

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