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PUZZLE :: Josh is writing a book. He starts on page 1. When he finished, he used a total of 228 digits. How many pages does he have ?
Last Post 28 Nov 2012 03:06 PM by Niel. 2 Replies.
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philip
Basic Member
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Posts:118

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22 Nov 2012 09:19 PM
    Josh is writing a book. He starts on page 1. When he finished, he used a total of 228 digits. How many pages does he have?
    phil
    Basic Member
    Basic Member
    Posts:133

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    25 Nov 2012 10:41 PM
    92
    Niel
    Basic Member
    Basic Member
    Posts:193

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    28 Nov 2012 03:06 PM
    112
    There are 9 digits for the pages from 1 to 9
    There are 180 digits for the pages from 10 to 99
    The remaining 39 digits are on the pages 100 to 112
    Total 228

    Niel Leon
    engineering.com
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    Forums > Engineering Questions and Answers > Puzzles