5th Class Mathematics Decimals Question Bank Decimals

  • question_answer
    Direction: A tank can hold \[\mathbf{20}.\mathbf{145}\,\,\mathbf{l}\] of water. \[\frac{\mathbf{3}}{\mathbf{5}}\] of the water in the tank is used for different purposes.
    What quantity of water is remaining in the tank?

    A)  \[8.185l\]                     

    B)                     \[9.158l\]                     

    C)            \[8.508l\]                     

    D)            \[8.058l\]

    Correct Answer: D

    Solution :

    Quantity of water used\[=\frac{3}{5}\times 20.145\ell \] \[\therefore \]Quantity of water remaining in the tank             \[=\left( 1-\frac{3}{5} \right)\times (20.145)\ell \]


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