5th Class Mathematics Fractions Question Bank Fractions

  • question_answer
    The capacity of a cylindrical tank is \[32\,l\]. It is \[\frac{4}{5}\] full of water. A quarter of this volume of water is poured into a pail. How much water is left in the cylindrical tank?

    A)  \[15\frac{1}{9}l\]                     

    B)         \[19\frac{3}{5}l\]              

    C)         \[19\frac{1}{5}l\]                     

    D)         \[15\frac{3}{5}l\]

    Correct Answer: C

    Solution :

    Volume of water in the tank\[=\frac{4}{5}\times 32\ell \] Volume of water poured into a pail \[=\frac{1}{4}\](volume of water in the tank) Volume of water left in the tank \[=\left( 1-\frac{1}{4} \right)\](volume of water in the tank) \[=\frac{3}{4}\times \frac{4}{5}\times 32\ell =\frac{3\times 32}{5}\ell \]


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