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7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    A farmer grows vegetables in his field. In \[\frac{2}{3}\]of the field, he grows potatoes, in \[\frac{1}{4}\]he grows onions and in the rest of the field he grows tomatoes. In what part of the field does he grow tomatoes?        

    A)  \[\frac{1}{12}\]                     

    B)  \[\frac{11}{12}\]                   

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

    D)  \[\frac{1}{6}\]

    Correct Answer: A

    Solution :

    Let the total area of field be 1. Part of field in which the farmer grows tomatoes \[=1-\left( \frac{2}{3}+\frac{1}{4} \right)=1-\left( \frac{8+3}{12} \right)=1-\frac{11}{12}=\frac{1}{12}\]


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