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toyota1155 | 16:26 Tue 24th Aug 2010 | Quizzes & Puzzles
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How many zeros are there in the numbers between 1 and 1000?

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Fibonacci
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1 - 99 nine zeros (10, 20 etc)
100-109 - eleven zeros
110-199 - nine zeros
so 100 - 199 = 20 zeros
200-299 = 20 zeros
same for 300-399, 400-499 etc
thats a total of 9 + 9 lots of 20 = 189
add a further three if you include 1000.
17:08 Tue 24th Aug 2010
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Avatar Image theboytippex
Is it 180 or am I thinking darts??
16:51 Tue 24th Aug 2010
Avatar Image Fibonacci
1 - 99 nine zeros (10, 20 etc)
100-109 - eleven zeros
110-199 - nine zeros
so 100 - 199 = 20 zeros
200-299 = 20 zeros
same for 300-399, 400-499 etc
thats a total of 9 + 9 lots of 20 = 189
add a further three if you include 1000.
17:08 Tue 24th Aug 2010
Avatar Image toyota1155
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Excellent working out Fibonacci - amazing! Many many thanks. x
20:45 Tue 24th Aug 2010

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