Riddle Challenge Day 59

The winner will be selected randomly among those who give the right answer. I will announce the winner tomorrow Insha Allah. The winner will get my full upvote. Feel free to leave a comment about your views on the daily riddle challenge, reblog, upvote and participate in the challenge by leaving your answer in the comment.

The rules are simple:
No use of the internet or AI to search for the answer. Anyone suspected of using these for my upvote will be ignored in all future riddle challenges.

Only one answer will be accepted per participant.

Good Luck!

The correct answer to the previous riddle was 180cm. Thank you to all the participants.

Congratulations to @faisalhayat for winning the previous challenge.

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20

11

You missed counting 91 92 93 .....99

Learned this one at a riddle challenge years ago. The answer is 20.

There are 20 numbers 9 from 1 to 100!

1 and 100, there are twenty 9 number

9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99.

I like the fact you participate in every riddle with open heart and the answers you give with full explanation.

Depends on the interpretation.
Here is 1 and 100: 1 100, there is no 9.
Unless you meant from 1 to 100: 1 2 3....98 99 100
Plus what numerical system are you using, binary, decimal,....

20 is correct answer

20 number of 9
Between 1 to 100

Between 1 and 100, there are twenty occurrences of the digit '9'

Twenty number of 9 between 1 to 100