8th Class Mathematics Direct and Inverse Proportions Question Bank Direct and Inverse Proportions

  • question_answer .. 8 men can do a piece of work in 10 days. How long will 10 men take?

    A)  12 days                      

    B)  8 days

    C)         7 days

    D)         6 days            

    Correct Answer: B

    Solution :

    Let the number of days = x We form the table as shown.
    Number of Men 8 10
    Number of days 10 x
    It is a case of inverse proportion. \[8\times 10=10\times x\Rightarrow x=8\] days.

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