Question

Q. 7) How many numbers have 9 digit in them from 1 to 100?
1) 20
2) 19
3) 18
4) 21
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Answer 1

Answer:

There are total 20 nine's between 1 and 100. 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99

Step-by-step explanation:

Answer 2

Step-by-step explanation:

$there \: are \: 3) \: \: 19 \: \: \\ 9 \: digit \: no \: . \: \: \: \:in \: between \: \: 1 \: \: to \: 100 \: \:$

these are below :

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. 99

$hope \: it \: helps \: \\ \\ \beta \alpha \beta \gamma e$