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Let $X = \{2, 3, 6, 12, 24\}$, Let $\leq$ be the partial order defined by $X \leq Y$ if $x$ divides $y$. Number of edges in the Hasse diagram of $(X, \leq)$ is

  1. $3$
  2. $4$
  3. $9$
  4. None of the above
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Answer: B

Hasse Diagram is$:$

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                                        24

                                         /

                                       12

                                       /

                                    6

                               /      \

                             2        3

Now u can count number of edges will be 4.

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Elements can be related like below as well. 

Answer:

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