how many 3 digit numbers are divisible by 6

It looks like your question is incomplete. You asked: "how many 3 digit numbers are divisible by" but you didn't specify the divisor. Could you please provide the number by which the 3-digit numbers should be divisible? For example, divisible by 3, 5, 7, etc. Once you provide that, I can help you find the count of such numbers!