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Asked On2019-07-10 14:05:36 by:Gaganpreet-Gandhi

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Solve in  a similar way as below

e.g. A printer numbers the pages of a book starting with 1 and uses 3189 digits in all. How many pages does the book have.

A: The pages of the book are numbered starting from 1. A total of 3189 digits are used to number all the pages. For pages 1 - 9, 9*1 = 9 digits are required.

For pages 10 - 99, 90*2 = 180 digits are required

The number of digits left is 3000

As digits from 100 to 999 require 3 digits each, 3*900 = 2700 digits are used. There are 300 digits remaining that are used to number pages 1000 - 1074

The book has 1074 pages in all. ( this example)


Answerd on:2019-08-26 Answerd By:Tanisha-Garg

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