7th Class Mathematics Rational Numbers Question Bank Rational Number

  • question_answer
    By what number should \[\frac{-33}{8}\] be divided to get \[\frac{-11}{2}\]?

    A) \[\frac{-4}{3}\]                 

    B)        \[\frac{4}{3}\]

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

    D)        \[\frac{-3}{4}\]

    Correct Answer: C

    Solution :

      Required number \[=\frac{-33}{8}\div \frac{-11}{2}\] \[=\frac{-33}{8}\times \frac{2}{-11}=\frac{-33}{8}\times \frac{-2}{11}\] \[=\frac{(-33)\times (-2)}{8\times 11}=\frac{33\times 2}{8\times 11}=\frac{3}{4}\] Hence, the required number is \[\frac{3}{4}\].


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