A book having 1 to 100 pages. How many digits are used to number the pages?
1-9 9 digits
10 - 99 180 digits
100 3 digits add 'em up !
190 is the answer Because 90 times 2 plus 10 = 190
No, it is not !! if you count all the digits from 1 to 100 inclusive, you get = 192 digits