Practice question

MCQ

Question

Which of the following relations is symmetric but neither reflexive nor transitive for a set A = 1, 2, 3.

Options

Choose one · Correct answer highlighted

R = (1, 2), (2, 1) Correct R = (1, 2), (1, 3), (1, 4) R = (1, 1), (2, 2), (3, 3) R = (1, 1), (1, 2), (2, 3)

Explanation

Think of it like this: using formula we get R = (1, 2), (2, 1). Calculation gives this directly, check steps: apply rule, substitute values, simplify to get R = (1, 2), (2, 1).

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Practice question

Which of the following relations is symmetric but neither reflexive nor transitive for a set A = 1, 2, 3.

Options

Explanation

Comments

Related blogs

Experiment 16: Flash Cards / Models / Specimens Showing Examples of Homologous and Analogous Organs

Experiment 15: Identification and Study of Symbiotic Associations (Root Nodules of Leguminous Plants, Lichens) and Parasitism (Cuscuta on Host)

Experiment 14: Identification of Disease-Causing Organisms (Ascaris, Entamoeba, Plasmodium, and Ringworms)

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