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Let S be the set of all real numbers. A ...

Let S be the set of all real numbers. A relation R has been defined on S by a Rb`rArr|a-b| le 1`, then R is

A

symmetric and transitive but not reflexive

B

reflexive and transitive but not symmetric

C

reflexive and symmetric but not transitive

D

an equivalence relation

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The correct Answer is:
C
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