Exemplar Exercise Problem XXVII — task. Mathematics CBSE, Class 10.

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A bag contains \(10\) red, \(5\) blue and \(7\) green balls. A ball is drawn at random. Find the probability of this ball being a

1. red ball

2. green ball

3.not a blue ball.

Answer:

The probability of this ball being a red ball is

\frac{i}{i}

The probability of this ball being a green ball is

\frac{i}{i}

The probability of this ball being not a blue ball is

\frac{i}{i}

Did you find an error?

68. Exemplar Exercise Problem XXVII