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5th Class Mathematics Fractions Question Bank Fractions

  • question_answer
    Gopal reads \[\frac{3}{5}\] of a book. He has still \[80\] pages to be read to complete reading the book. How many pages are there in the book?

    A)  \[200\]                         

    B)                     \[100\]        

    C)                     \[400\]                         

    D)                     \[300\]

    Correct Answer: A

    Solution :

    Part of the book read\[=\frac{3}{5}\] \[\therefore \]Part of the book left to be read             \[=1-\frac{3}{5}=\frac{2}{5}\] No. of pages left to be read\[=80\] \[\therefore \]\[\frac{2}{5}\]part\[=80\] \[\therefore \]No. of pages in the book \[=80\times \frac{5}{2}=40\times 5=200\]


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