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5th Class Mathematics Factors and Multiples Question Bank Factors and Multiples

  • question_answer
    \[P\]is a \[2-\]digit common factor of\[36\]and \[24\]. \[Q\] is a number that is both a factor and multiple of \[28\]. What is the value of\[P+Q\]?           

    A) \[24\]                

    B)                                \[28\]                

    C)                    \[12\]                            

    D)                    \[40\]

    Correct Answer: D

    Solution :

    Common factors of \[36\] and \[24\] are\[1,\,\,2,\,\,3,\]\[4,\,\,6,\,\,12\]. \[P\] is the \[2\text{-}\]digit common factor of \[36\] and\[24\]. \[\therefore \]\[P=12\] \[Q\] is a factor and multiple of\[28\], which is\[28\]. \[\therefore \]      \[P+Q=12+28=40\]


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