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7th Class Mathematics Exponents and Power Question Bank Exponents and Power

  • question_answer
    The value of x so that \[{{\left( \frac{2}{7} \right)}^{4}}.{{\left( \frac{2}{7} \right)}^{3}}={{\left( \frac{2}{7} \right)}^{4x-1}}\]is

    A)  \[1\]                            

    B)  2

    C)  3                                

    D)  4

    Correct Answer: B

    Solution :

    (b) Do as in Q 31


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