out of 10 white, 9 black & 7 red balls, in how many ways can we select one or more balls.?

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out of 10 white, 9 black & 7 red balls, in how many ways can we select one or more balls.?

234
52
630
879

2006-11-01 21:40:16 · 3 answers · asked by muteeu b 1 in Science & Mathematics ➔ Mathematics

3 answers

The previous answer(s) overlook the possibility that 0 balls can be selected from any color (i.e. 11,10, and 8 choices respectively), as long as all three numbers aren't zero. So it's:

(10+1)*(9+1)*(7+1) - 1 = 879

2006-11-02 05:18:37 · answer #1 · answered by shimrod 4 · 0⤊ 0⤋

10 x 9 x 7 = 630

2006-11-02 05:43:22 · answer #2 · answered by Anonymous · 0⤊ 0⤋

630

2006-11-02 05:45:47 · answer #3 · answered by Rossco 4 · 0⤊ 0⤋