7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    Which row is incorrectly matched?
    Row Rational Number Standard Form
    A. \[\frac{22}{-42}\] \[\frac{1}{2}\]
    B. \[\frac{-12}{-21}\] \[\frac{4}{7}\]
    C. \[\frac{27}{30}\] \[\frac{9}{10}\]
    D. \[\frac{-32}{56}\] \[\frac{-4}{7}\]

    A)  Row A             

    B)  Row B       

    C)  Row C             

    D)  Row D

    Correct Answer: A

    Solution :

    (a) \[\frac{22}{-42}=\frac{-22}{42}=\frac{-11}{21}\ne \frac{1}{2}\]       


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