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SSC Sample Paper SSC CGL - Sample Paper-26

  • question_answer
    \[(6.5\times 6.5-45.5+3.5\times 3.5)\] is equal to

    A) 10                    

    B) 9

    C) 7                                 

    D) 6

    Correct Answer: B

    Solution :

    \[~6.5\times 6.5-\text{ }45.5\text{ }+3.5\times 3.5\] \[={{(6.5)}^{2}}-2\times 6.5\times 3.5+{{(3.5)}^{2}}\] \[={{(6.5-3.5)}^{2}}\] \[={{3}^{2}}=9\]


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