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7th Class Mathematics Sample Paper Mathematics Sample Paper-7

  • question_answer
    If \[{{\mathbf{2}}^{a}}={{\mathbf{4}}^{b}}={{\mathbf{8}}^{c}}=\mathbf{64}\], then which of the following relations are true?

    A) \[a+b+c=8\]       

    B) \[a+b+c=9\]

    C) \[a+b+c=11\]      

    D) \[a+b+c=10\]

    E) None of these

    Correct Answer: C

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