1, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 31, 41 . . .
100, 101, 102, 103 . . .
110, 111, 112, 113, 114 . . . 121, 122,
Keep following this pattern til you find the total number of time the digit 1 appears.
A book has 500 pages numbered 1, 2, 3, and so on. How many times does the digit 1 appear in the page numbers?
4 answers
840
What’s the answer?
84
1 answer