The pages of a book are numbered for 1 to 100 manually. How many times will be it is essential to write the number 5?
20
19
18
10
5,15,25,35,45,50,51,52,53,54,55,56,57,58,59,65,75,85,95
The pages of a book are numbered from 1 to 100 manually. How many times will it be essential to write the number 5?