11th Class Mathematics Sequence and Series Question Bank Sequence and Series

  • question_answer
    Find the sum to n terms of the following series. 3 + 33 + 333 + .........

    A) \[\frac{10}{27}({{10}^{n}}-1)\]                                                           

    B) \[\frac{50}{81}({{10}^{n}}-1)-\frac{5n}{9}\]

    C) \[\frac{10}{27}({{10}^{n}}-1)-\frac{n}{3}\] 

    D) \[\frac{50}{81}({{10}^{n}}-1)\]

    E) None of these

    Correct Answer: C

    Solution :

    Not Available              


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