What are the subets ,with six numbers inside, for the number sequence 1 - 31?

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Sets ( CXC ) Mathematics.

2007-08-17 04:21:42 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

{1,2,3,4,5,6}
{1,2,3,4,5,7}
{1,2,3,4,5,8}
{1,2,3,4,5,9}
{1,2,3,4,5,10}
.
.
.
{25,26,27,28,29,30}
{25,26,27,28,29,31}
{26,27,28,29,30,31}

2007-08-17 04:47:33 · answer #1 · answered by Larry C 3 · 0⤊ 0⤋

31C6 = 31!/25!6! = 736,281

2007-08-17 11:51:40 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

In case you don't understand Duke's answer, he has told you that there are more than 700,000 of your subsets.

2007-08-17 13:12:33 · answer #3 · answered by Tony 7 · 0⤊ 0⤋