5th Class Mathematics Measurement Length, Weight and Capacity Question Bank Measurement

  • question_answer
    A piece of string was cut into \[12\] equal pieces. The length of \[5\] such pieces is\[\frac{15}{8}m\]. Find the length of the original piece of string.

    A) \[4.8\,\,cm\]                  

    B)                    \[4.5\,\,cm\]                  

    C)                    \[0.375\,\,cm\]               

    D)                    \[4.5\,\,m\]                   

    Correct Answer: D

    Solution :

    Length of \[5\] pieces\[=\frac{15}{8}m\] Length of \[1\] piece\[=\frac{15}{8}m\div 5\]             \[=\frac{15}{8}\times \frac{1}{5}m=\frac{3}{8}m\] \[\therefore \]Length of original piece             \[=\] Length of \[12\] pieces             \[=\frac{3}{8}m\times 12=\frac{9}{2}m=4.5\,\,m\]


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