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Find the number of times the digit 8 wil...

Find the number of times the digit 8 will be written when listing the integers from 1 to 10,000 .

Text Solution

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A four digit block from 0000 to 9999 means 10,000 numbers each number consisting of four digits . Therefore, total digit which we have to write is 40000. Since the total number of digits is 10 (0 to 9) , no digit is filled preferentially .
`implies ` Number of times we write 8=`(40000)/(10)=4000`
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