1
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
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On set A = {1, 2, 3}, relations R and S are given by

R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1)},

S = {(1, 1), (2, 2), (3, 3), (1, 3), (3, 1)}. Then,
A
R $$ \cup $$ S is an equivalence relation
B
R $$ \cup $$ S is reflexive and transitive but not symmetric
C
R $$ \cup $$ S is reflexive and symmetric but not transitive
D
R $$ \cup $$ S is symmetric and transitive but not reflexive
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