7th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    Which row is correctly matched?
    Row Rational Number Standard Form
    A. \[\frac{-1}{3}\] \[\frac{1}{-3}\]
    B. \[\frac{-3}{11}\] \[\frac{3}{11}\]
    C. \[\frac{2}{11}\] \[\frac{-2}{11}\]
    D. \[\frac{9}{2}\] \[\frac{-9}{2}\]

    A)  Row A                         

    B)  Row B       

    C)  Row C             

    D)  Row D

    Correct Answer: C

    Solution :

    (c) Let additive increase of\[\frac{2}{11}\]be 'a' Let then \[\frac{2}{11}+a=0\Rightarrow a=\frac{-2}{11}\]


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