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Railways R.R.C. (Patna) Solved Paper Held on 1st Shift 16-11-2014

  • question_answer
    If the H.C.F. of two numbers (each greater than13) is 13 and L.C.M. is 273, then the sum of the numbers will be?

    A) 286                              

    B) 130

    C) 288                              

    D) 290

    Correct Answer: B

    Solution :

    Let two numbers are 13x and 13y. Then,    13x\[\times \] 13y = 13 \[\times \] 273 xy = 21 =7\[\times \]3 Now, Sum of the numbers will be = 13 \[\times \] 7+13\[\times \]3 = 13\[\times \]10=130


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