Question

how many contain no.9 in 1 to 100

Answer 1

19 numbers contain no.9 in 1 to 100

Answer 2

Hey there,

There are total 20 nines between 1–100.

Let me show you how,

1 - 9
2- 19
3 - 29
4 -39
5 -49
6 -59
7 - 69
8 - 79
9 - 89
10 - 90
11 - 91
12 - 92
13 - 93
14 - 94
15 - 95
16 - 96
17 - 97
18 - 98
19 and 20 - 99