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Mathematics · 2024 · 2 marks
CBSE 2024 · Region 3 · Set 1 · Q21
One card is drawn at random from a well shuffled deck of 52 cards. Find the probability that the card drawn (i) is queen of hearts; (ii) is not a…
One card is drawn at random from a well shuffled deck of $\displaystyle 52$ cards. Find the probability that the card drawn
(i)
is queen of hearts;
(ii)
is not a jack.
Marking-scheme solution
Total outcomes = $\displaystyle 52$
(i) \(\displaystyle \mathrm{P}\) (card is queen of hearts) \(\displaystyle =\frac{1}{52}\)
(ii) \(\displaystyle \mathrm{P}(\) not a jack \(\displaystyle )=\frac{48}{52}\) or \(\displaystyle \frac{12}{13}\)
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CBSE Class 10 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.