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The total number of ways of selecting 10 balls out of unlimited number of identical white , red and blue balls . Please explain the approach required to solve these types of questions .

The total number of ways of selecting 10 balls out of unlimited number of identical white , red and blue balls . Please explain the approach required to solve these types of questions .

Grade:12th pass

1 Answers

Arun
25758 Points
4 years ago
Here,The word unlimited is just for confusion....there are 10 red balls,10 white balls,10 blue balls out of which we need to select 10 in all possible ways so that W+R+B less than or equal to 10,so that w+r+b+t=10,required ways 10+4-1 c 4-1 = 286.

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