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Mathematics · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 1 · Q25
A bag contains 4 red, 3 blue and 2 yellow balls. One ball is drawn at random from the bag. Find the probability that drawn ball is (i) red (ii)…
A bag contains $\displaystyle 4$ red, $\displaystyle 3$ blue and $\displaystyle 2$ yellow balls. One ball is drawn at random from the bag. Find the probability that drawn ball is
(i)
red (ii) yellow.
Marking-scheme solution
Total No of Balls=$\displaystyle 9$
(i)
\(\displaystyle \mathrm{P}(\) drawn ball is red \(\displaystyle )=\frac{4}{9}\)
(ii)
\(\displaystyle \mathrm{P}\left(\right.\) drawn ball is yellow) \(\displaystyle =\frac{2}{9}\)
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.