Incorrect
Explanation
Between 1 and 100, the digit 9 occurs in 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98 and 99.
Solve this puzzle
In what year was the war of 1812 fought?
1812 1811 1810 1843