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Q: How many combinations of 3 can be made from 7 numbers?
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How many combinations can be made from three only numbers say 3 and 4 and 5?

3! or 6 combinations can be made from three distinct numbers. For this example they are: 345, 354, 534, 543, 435, 453.


How many combinations can be made with 3 6 and 9?

Since there are 3 numbers to choose from, there will be 2^3 = 8 combinations. This includes the null combinations which you may not wish to include in the count.


How many 4 number combinations can be made out of 3 numbers?

None. You do not have enough numbers to make even one combination.


How many combinations of three digits can be made from numbers 1 - 3?

Six combinations: 123, 132, 213, 231, 312, 321


How many combinations with 3 numbers?

9


How many combinations can you make with the numbers 2 3 6 7 and 8?

You can make 5 combinations of 1 number, 10 combinations of 2 numbers, 10 combinations of 3 numbers, 5 combinations of 4 numbers, and 1 combinations of 5 number. 31 in all.


How many three digit combinations can be made from the numbers 9 3 and 1?

6 ways: 931,913,139,193,391,319


How many combinations of 3 numbers are there in 32 numbers what are these combinations?

There are 32C3 = 32*31*30/(3*2*1) = 4960 combinations. I do not have the inclination to list them all.


How many combinations of 3 numbers are there in 8 numbers?

8C3 = 56 of them


How many 2 digit combinations can be made from 3 numbers combined?

Only three: 12, 13 and 23. Remember that the combinations 12 and 21 are the same.


How many 3 numbers combinations can you make from 1 3 7 using each number once?

137, 173, 317, 371, 713, 731 Six combinations can be made.


How many combinations of 3 numbers are there in 23 numbers?

There are 23C3 = 23!/(20!*3!) = 23*22*21/(3*2*1) = 1,771 combinations.