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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 1 · Q20
Assertion (A): In a cricket match, a batsman hits a boundary 9 times out of 45 balls he plays. The probability that in a given ball, he does not hit…
Assertion (A) : In a cricket match, a batsman hits a boundary $\displaystyle 9$ times out of $\displaystyle 45$ balls he plays. The probability that in a given ball, he does not hit the boundary is $\displaystyle \frac{4}{5}$.
Reason (R) : $\displaystyle \mathrm{P}(\mathrm{E})+\mathrm{P}($ not E$\displaystyle )=1$
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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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.