Find the number of times digit (1) is used while writing numbers from 1 to 100.
Question
Solution 1
To find the number of times digit 1 is used while writing numbers from 1 to 100, we can break down the problem into three parts:
- Count the number of times 1 appears in the tens place.
- Count the number of times 1 appears in the ones place.
- Add the two counts together.
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