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It takes 1629 digits to number the pages of a book. How many pages does the book have?

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It takes 1629 digits to number the pages of a book. How many pages does the book have?
posted Jul 31, 2014 by Sidharth Malhotra

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2 Answers

+1 vote

Answer is:

9 digits for 1 to 9 no. 180 digits for 10 to 99 no. 1440 digits for 100 to 579 no. so total 1629 digits for 579 pages

answer Nov 13, 2014 by Krishnamohan Reddy
0 votes

480 pages in the book

1-9 its 9 digits
10-99 its 180 digits
100-479 its 1440 digits
so the sum of all digits is 9+180+1440= 1629

answer Jul 31, 2014 by Vivek Mittal
What is the logic???



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