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SSC Sample Paper Mock Test-20 SSC CGL Tear-II Paper-1

  • question_answer
    The sum of two numbers is 36 and their HCF is 4. How many pairs of such numbers are possible?

    A) 1

    B)  2

    C)  3

    D)  4

    Correct Answer: C

    Solution :

    HCF of two numbers = 4 Hence, the numbers can be given by 4x and 4y where x and y are co-prime. Then, \[4x+4y=36\]\[\Rightarrow \]\[4\,\,(x+y)=36\]\[\Rightarrow \]\[x+y=9\] Possible pairs satisfying this condition are (1, 8), (4, 5), (2, 7)


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