Question
How many times does the digit 3 appear between 1 and 100
such that the number where 3 appears is not divisible by 3?Solution
Here, the numbers having digit "3" in numbers from 1 to 100 are- 3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93 Number where 3 appears is not divisible by 3, 13,23,31,32,34,35,37,38,43,53,73,83 =>12 times
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