How many pages the book have, if total 297 digits are used to form the page numbers? Pick.
A) 135 pages B) 136 pages C) 137 pages D) 138 pages E) 139 pages
First 9 pages .. 9 digits   next 90 pages .. 180 digits   next 36 pages ... 108 digits   ----------------------   Total ...135 pages ...297 digits   135 pagesNSWER:135 pages
<result>A</result>
How many pages the book have, if total 297 digits are used to form the page numbers?