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7th Class Mathematics Integers Question Bank Integer

  • question_answer
    Simplify: \[222-\left[ \frac{1}{3}\{42+(56-(8+9))\}+108 \right]\].

    A)  87                              

    B)  88                  

    C)         89                  

    D)         90

    Correct Answer: A

    Solution :

    We have, \[=222-\left[ \frac{1}{3}\left\{ 42+(56-(8+9)) \right\}+108 \right]\] \[=222-\left[ \frac{1}{3}\left\{ 42+(56-17) \right\}+108 \right]\] \[=222-\left[ \frac{1}{3}(81)+(108) \right]=222-135=87\]


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