Question 20
The number of digits used to number the pages of a book is twice the number of pages of the book. If the number of pages is a three-digit number, how many pages does the book have?
Pages are numbered consecutively from 1, with no leading zeroes.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.
Pages are numbered consecutively from 1, with no leading zeroes.
Input: enter the requested whole-number answer without units. Leading zeroes from the paper grid may be omitted.