Wednesday

July 30, 2014

July 30, 2014

Posted by **Anonymous** on Thursday, October 20, 2011 at 10:46am.

- math (brainteaser) -
**Steve**, Thursday, October 20, 2011 at 11:35amThere are 9 digits on pp 1-9

There are 90 digits on pp 10-99

That's 99 digits before page 100

The rest of the pages have 3 digits each.

555-99 = 456

456/3 = 152

So there are 99 + 152 = 251 pages

- math (brainteaser) -
**Steve**, Thursday, October 20, 2011 at 4:37pmOops - I see an error

There are 90 2-digit numbers, making 180 digits.

555 - 9 - 180 = 366

So, there are 122 3-digit pages, making 221 pages in all.

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