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Railways R.R.C. (Hazipur) Solved Paper Held on 1-12-2013

  • question_answer
    If a and b are odd numbers then which of the following is even?

    A) a+b+1            

    B) a+b

    C) ab                                

    D) ab+2

    Correct Answer: B

    Solution :

    Let a = 3 and b = 5 (odd)           then, a+b=3+5 = 8 (even) Hence a+b is even.


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