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SSC Sample Paper Mock Test-3 SSC CGL Tear-II Paper-1

  • question_answer
    The product of two numbers is 960. If HCF is 8, then the number are

    A)  24, 40             

    B)  8, 120 or 24, 40

    C)  8, 140             

    D)  None of these

    Correct Answer: B

    Solution :

    As HCF of numbers are 8. So, it as factor of both. Here, 64 is factor of product. Now, as \[960\div 64=15\] Now, prime factor of \[15=3\times 5\]or \[1\times 15\] Hence, numbers are \[8\times 1=8,\]\[8\times 15=120\] or \[8\times 3=24,\]\[8\times 5=40\] \[\therefore \]Numbers are 8, 120 or 24, 40.


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