Posted by: Slackdemic December 11, 2014
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From 1 to 9 ====> 9 digits
10 to 99 =====> 180 digits
. + ----------
Total of 1 digit and 2 digit no.s = 189 digits
Now rest of the pages are the three numbered pages:
N - 189 = 1095 - 189 = 906
906/3 = 302
So the total pages: 9 + 90 + 302 = 401
10 to 99 =====> 180 digits
. + ----------
Total of 1 digit and 2 digit no.s = 189 digits
Now rest of the pages are the three numbered pages:
N - 189 = 1095 - 189 = 906
906/3 = 302
So the total pages: 9 + 90 + 302 = 401
Last edited: 11-Dec-14 11:34 AM