Question

19. In the set A = {1, 2, 3, 4, 5) a relation R is defined
by R={(1,3)/xy e A and r<y}. Then Ris
(a) Reflexive
(b) Symmetric
(c) Transitive
(d) none of these
20. The relation R defined on a set A is antisymmetric
if (a, b) ER=(b, a) e R for
(a) Every (a,b) ER (b) No (a, b) ER
(c) No (a,b), a Eb, E R (d) None of these
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Answer 1

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