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5th Class Mathematics Fractions Question Bank Fractions

  • question_answer
    There are \[60\] insects in a miniature garden. \[12\] of the insects are ladybirds and \[\frac{1}{4}\] of them are butterflies. The rest of the insects are ants. What fraction of the insects in the garden are ants?

    A)  \[\frac{1}{3}\]                         

    B)  \[\frac{27}{20}\]              

    C)  \[\frac{11}{20}\]                      

    D)         \[\frac{3}{4}\]         

    Correct Answer: C

    Solution :

    No. of insects in the garden\[=60\] No. of ladybirds\[=12\] No. of butterflies\[=\frac{1}{4}\times 60=15\] No. of ants\[=[60-(12+15)]=33\] \[\therefore \]The required fraction \[\text{=}\frac{\text{No}\text{.}\,\,\text{of}\,\,\text{ants}}{\text{Total}\,\,\text{no}\text{.}\,\,\text{of}\,\,\text{insects}}\text{=}\frac{\text{33}}{\text{60}}\text{=}\frac{\text{11}}{\text{20}}\]


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