JEE Main & Advanced Mathematics Sequence & Series Question Bank Self Evaluation Test - Sequences and Series

  • question_answer
    The value of \[0.0\overline{37}\] where \[0.0\overline{37}\] stands for the number .0373737........... is:

    A) 37/1000

    B) 37/990

    C) 1/37

    D) 1/27

    Correct Answer: B

    Solution :

    [b] The value of \[0.0\overline{37}\] stands for the number 0.0373737??=0.037+0.00037+??. \[=\frac{37}{{{10}^{3}}}+\frac{37}{{{10}^{5}}}+.........=\] \[\frac{37}{{{10}^{3}}}\left[ 1+\frac{1}{100}+..... \right]\] \[=\frac{37}{{{10}^{3}}}\left[ \frac{1}{1-\frac{1}{100}} \right]=\frac{37}{990}\]


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