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0. If R be a relation from A= {1, 2, 3, 4} to B = {1, 3, 5}. i.e. (a, b) ∈ R if a < b, then RoR-1 is
{(1, 3); (1, 5), (2, 3), (2, 5), (3, 5), (4, 5)}
{(3, 1), (5, 1) (3,2), (5,2), (5,3), (5,4)}
{(3, 3), (3, 5), (5, 3), (5, 5)}
{(3, 3), (3, 4), (4, 5)}
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