These questions are based on the following data. The relation \( R \) is defined on a set \( P=\...

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These questions are based on the following data.
The relation \( R \) is defined on a set \( P=\{a, b, c, d, e\} \) and \( R \) is a reflexive relation.

How many reflexive relations are possible on \( P \) ?
(a) \( 2^{5} \)
(b) \( 2^{25} \)
(c) \( 2^{20} \)
(d) \( 2^{18} \)
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