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7th Class Mathematics Rational Numbers Question Bank Rational Number

  • question_answer
    Evaluate \[p+q\] given \[p=\left( -2\frac{1}{5} \right)\] and \[q=\left( -1\frac{1}{3} \right)\].

    A) \[1\frac{8}{15}\]                                              

    B) \[\left( -3\frac{8}{15} \right)\]  

    C) \[\left( -2\frac{8}{15} \right)\]   

    D)        \[3\frac{8}{15}\]

    Correct Answer: B

    Solution :

    Given \[p=\left( -2\frac{1}{5} \right)\] and \[q=\left( -1\frac{1}{3} \right)\] \[p+q=\left( -2\frac{1}{5} \right)+\left( -1\frac{1}{3} \right)=-\frac{11}{5}-\frac{4}{3}\] \[=-\left( \frac{53}{15} \right)=-3\frac{8}{15}\]


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