Question:

Let A = {2, 3, 4, 5, ...... 16, 17, 18}. Let R be the relation on the set A of ordered pairs of positive integers defined by (a, b) R (c, d) if and only if ad = bc for all (a, b), (c, d) in A x A. Then the number of ordered pairs of the equivalence class of (3, 2) is

Updated On: Sep 1, 2024
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The Correct Option is C

Solution and Explanation

The correct answer is Option (C) : 6
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