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March 27, 2017

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The page numbers in a book use 810 Digits. If the book starts with page #1 how many pages are in the book.

I think it's a trick question, because digits is underlined. Is the answer 810? What does it mean by uses 810 Digits?

  • Math - ,

    yes you are correct

  • Math - ,

    It there were 99 pages, the number of digits used would be 9 (with one digit) + 2x90 (with two digits) = 189. Each additional page will require 3 digits, and you need 621 more digits. That requires 207 more numbers. That would make the number of pages 306. Check my thinking.

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