40 possible combinations listed below
1+2+3+4+5+6
1+2+3+4+11
1+2+3+5+10
1+2+3+6+9
1+2+3+7+8
1+2+4+10
1+2+5+9
1+2+6+8
1+3+4+5+8
1+3+4+6+7
1+3+6+11
1+3+7+10
1+3+8+9
1+4+5+11
1+4+6+10
1+4+7+9
1+5+6+9
1+5+7+8
1+9+11
2+3+4+5+7
2+3+5+11
2+3+6+10
2+3+7+9
2+4+5+10
2+4+6+9
2+4+7+8
2+5+6+8
2+8+11
2+9+10
3+4+5+9
3+4+6+8
3+5+6+7
3+8+10
4+6+11
4+7+10
4+8+9
5+6+10
5+7+9
6+7+8
10+11
45
Depends on what they are, and how many total digits.
744 digits.
99999
total 6 they are 3412,4312,1324,3124,1432,4132
45
Total number of digits = 5
Depends on what they are, and how many total digits.
10,000
744 digits.
99999
Yuo can make only one combination of 30 digits using 30 digits.
total 6 they are 3412,4312,1324,3124,1432,4132
A pig typically has four toes on each hoof, for a total of eight digits.
How many strings of three digits are there? 000 to 999, or a total of 1000. How many strings of three digits contain the same three digits? That's 000, 111, 222 ... 999! ten in total. The difference is your answer: 1000-10 = 990.
120 There are 6 digits in total. The numbers with 3 digits, with all digits distinct from each other, are the permutations of the 6 digits taken 3 at a time, and therefore there are 6*5*4 = 120 of them.
630 digits.