A bag contains a green ball, a white ball and a black ball. All balls being of the same shape and size. Rohan takes a ball from the bag without looking into it. What is the probability that he takes out a black ball?

\frac{1}{3}

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\frac{2}{3}

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\frac{3}{2}

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\frac{4}{5}

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Solution

The correct option is A $\frac{1}{3}$
Total black balls: $1$
Total white balls: $1$
Total green balls: $1$
Total balls: $3$
Required probability:
$P = \frac{1}{3}$

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