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There are 210 of them, and I regret that I do not have the time to list them all.

Q: What are all the combinations you can make using only 4 of the numbers 0-9?

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The answer is 31C5 = 31!/[26!5!] = 169,911

35

The question, as stated, cannot be answered because there are only 26 = 64 combinations. The order of the numbers in a combination does make a difference so 134 is the same as 143 or 413 etc. There are 1 combinations each of 0 and 6 of the numbers, 6 combinations of 1 or 5 numbers, 15 combinations of 2 or 4 numbers, and 20 combinations of 3 numbers. The list includes the null combination - that is the combination consisting of none of the numbers.

It depends on combinations with how many numbers. There is only one combination of 99 numbers taken from 99.

There are only 5 distinct combinations of 4 numbers.(1234, 1235, 1245, 1345, 2345) C = 5! / 4!But there are 120 distinct combinations in distinct order (i.e. 24 ways to order each abcd).abcdabdcacbdacdbadbcadcb

Related questions

Assuming that the only permitted operation is addition, then there are 4 combinations.

8

Using only sums and differences, and not necessarily all four numbers, 1, 3, 9 and 27 will make all numbers from 0 to 40.

It depends. If you can only use each number once, there are 720 combinations. If you can use numbers multiple times, then there are 1000 combinations, by using all numbers from 000 to 999.

Only one.

The answer is 31C5 = 31!/[26!5!] = 169,911

There is only one combination. In a combination the order of the numbers does not matter so the only combination is 0123456789. This is the same as 1326458097

35

87400 combinations

There is only one combination. The order does not matter in a combination.

Since the order of the digits does not matter there are only five combinations: 1234, 1235, 1245, 1345 and 2345.

The question, as stated, cannot be answered because there are only 26 = 64 combinations. The order of the numbers in a combination does make a difference so 134 is the same as 143 or 413 etc. There are 1 combinations each of 0 and 6 of the numbers, 6 combinations of 1 or 5 numbers, 15 combinations of 2 or 4 numbers, and 20 combinations of 3 numbers. The list includes the null combination - that is the combination consisting of none of the numbers.