Question: from 1 to 100 how many times 3 comes?
Answer: There are 19 digits but 33 alone holds 2 three's in it so according to question “How many times” means 20 times we write 3 from 1 to 100. 03, 13, 23, 33, 43, 53, 63, 73, 83, 93, 30, 31, 32, 34, 35, 36, 37, 38, 39.