1.

If R is a relation Less Than from A = {1,2,3,4} to B = {1,3,5} then RoR-1 is

A. {(3,3), (3,4), (3,5)}
B. {(3,1), (5,1), (3,2), (5,2), (5,3), (5,4)}
C. {(3,3), (3,5), (5,3), (5,5)}
D. {(1,3), (1,5), (2,3), (2,5), (3,5), (4,5)}
Answer» D. {(1,3), (1,5), (2,3), (2,5), (3,5), (4,5)}


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