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The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
A54
B64
C265
D192
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1-277 & 400 - 777 we have 96 3's.
in between 300 - 377 we have 63 3's.
adding all we have 192.
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0 - 77 we have 16 3's.
1-277 & 400 - 777 we have 96 3's.
in between 300 - 377 we have 63 3's.
adding all we have 192.
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