Mathematics, 25.04.2021 14:00 alexius6608

A box contains 2 white ball,3 black ball and 4 red ball in how many ways can3 ball be draw form the box ,if at least one black ball is to be included in the draw?

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A box contains 2 white ball,3 black ball and 4 red ball in how many ways can3 ball be draw form the...

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