Out of 10 white, 9 black and 7 red balls, in how many ways
can we select one or more balls
please with solution.
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Answer Posted / vanya
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
| Is This Answer Correct ? | 4 Yes | 0 No |
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