How many numbers are there between 100 and 1000 such that at least one

1.	How many numbers are there between 100 and 1000 such that at least one of their digits is 6?$?
A.	200
B.	225
C.	252
D.	120
Answer» D. 120

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How many numbers are there between 100 and 1000 such that at least one of their digits is 6?$?

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