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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-6

  • question_answer
    On the set N of all natural numbers define the relation R by aRb if and only if the G.C.D. of a and b is 2, then R is

    A)  reflexive, but not symmetric

    B)  symmetric only

    C)  reflexive and transitive

    D)  reflexive, symmetric and transitive

    E)  None of these

    Correct Answer: B

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