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Let a set S = {2, 4, 8, 16, 32} and <= be the partial order defined by S <= R if a divides b. Number of edges in the Hasse diagram of is ______

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Let a set S = {2, 4, 8, 16, 32} and <= be the partial order defined by S <= R if a divides b. Number of edges in the Hasse diagram of  is ______

(a) 6

(b) 5

(c) 9

(d) 4

The question was asked in an interview.

I would like to ask this question from Relations in chapter Relations of Discrete Mathematics

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Correct choice is (b) 5

Easy explanation: Hasse Diagram is:

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