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SSC Sample Paper SSC CGL - Sample Paper-25

  • question_answer
    \[\frac{8{{(3.75)}^{3}}}{{{(7.5)}^{2}}-6.5}\] is equal to

    A) 2.75                             

    B) 1.8

    C) 4.75                             

    D) 8.5

    Correct Answer: D

    Solution :

    \[\frac{8.{{(3.75)}^{3}}+1}{{{(7.5)}^{2}}-6.5}=\frac{{{(7.5)}^{3}}+{{(1)}^{3}}}{{{(7.5)}^{2}}-6.5}\] \[=\frac{(7.5+1)[{{(7.5)}^{2}}-7.5+1]}{{{(7.5)}^{2}}-6.5}\] \[=\frac{(8.5)[{{(7.5)}^{2}}-6.5]}{{{(7.5)}^{2}}-6.5}\] \[=8.5\]


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