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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q8
From the data $\displaystyle 1$, $\displaystyle 4$, $\displaystyle 7$, $\displaystyle 9$, $\displaystyle 16$, $\displaystyle 21$, $\displaystyle 25$, if all the even numbers are removed, then the probability of getting at random a prime number from the remaining is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{1}{5}$
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CBSE Class 10 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.