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Q: How many 2 combinations are there in the numbers 1 to 9?
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How many combinations of 2 can you get in 8 numbers?

There are 8*7/(2*1) = 28 combinations.


How many combinations of 2 are there in 11 numbers?

There are 11C2 = 11*10/(2*1) = 55 combinations.


How many 2 number combinations are there in the numbers 1 to 9?

There are 9C2 = 9*8/(2*1) = 36 2-digit combinations.


What number combinations can be made with the numbers 1 2 3 4 5 6 7?

There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.


How many different combinations of six with eight numbers?

There are 8C6 = 8*7/(2*1) = 28 combinations.