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Out of 10 white 9 Green 7 black ball one can select one or more balls of same colour in how many ways

Out of 10 white 9 Green 7 black ball one can select one or more balls of same colour in how many ways

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
total ways of selecting atleast one ball = (10+1)(9+1)(7+1)-1
\=879

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