What number comes after 99?
100
What number comes after 10?
11
What number comes after 74?
75
What number comes after 6?
7
What number comes after 26?
27
What number comes after 30?
31
What number comes after 89?
90
What number comes after 19?
20
What number comes after 53?
54
What number comes after 17?
18