10 of 1 digit, 45 of 2 digits and 120 of 3 digits making 175 in all.
1000
If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.
109
168
999
1000
10000
If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.
109
168
999
999 of them.
There are 169.
There are 300 of them.
In most 3-number locks, each number ring offers a choice of 10 digits, from 0 to 9. I that case, there are 103 = 1000 combinations.
Well first you will start off with 000, then go up until 999. So there would be 1000 different combinations.
If 0 is not counted, and 1 is, then the answer is 1000.