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7th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If\[{{3}^{x}}=900,\] then find the value of\[{{3}^{x+2}}-{{3}^{x-2}}\].

    A)  1800               

    B)  8400

    C)  8200                           

    D)  8000

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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