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Re: How many digits are required to number a book containing...
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06 Nov 2012, 06:59

The first part containing the unit digits is easy to understand, however the parts containing the tens digits and hundreds digits needs some extra clarification.

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06 Nov 2012, 07:06

2

KevinBrink wrote:

The first part containing the unit digits is easy to understand, however the parts containing the tens digits and hundreds digits needs some extra clarification.

Each page from 1 to 9, inclusive (so total of 9 pages) needs one digit; Each page from 10 to 99, inclusive (so total of 90 pages) needs two digits (for example page 12 needs two digits: 1 and 2); Each page from 100 to 200, inclusive (so total of 101 pages) needs three digits (for example page 123 needs three digits: 1, 2 and 3).

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06 Nov 2012, 07:18

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Quote:

Thanks, the content question is not hard however it did not understand it because of the odd strange pronunciation! Thanks for the clarification!

After attempting hundreds of official GMAT questions (OG11.12 and 13) i can safely say that the language used by the GMAT will be less ambiguous and clearer..
_________________

"When you want to succeed as bad as you want to breathe, then you’ll be successful.” - Eric Thomas

How many digits are required to number a book containing...
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20 Jan 2018, 18:02

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Unit digits : All 200 numbers contain unit digits Tens digits: 90 ( i.e from 10 to 99 ) + 101 ( i.e from 100 to 200 ) Hundreds digits: 101 ( i.e again from 100 to 200 ) Total number of digits: 200 + 90 + 101 + 101 = 492

Just restarted my GMAT life. KUDOs please

gmatclubot

How many digits are required to number a book containing... &nbs
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20 Jan 2018, 18:02