CBSE 2026 · Region 4 · Set 3 · Q18 · 1 mark
The probability that a particular item is available in three shops A, B and C is $\displaystyle \frac{4}{5}, \frac{3}{4}$ and $\displaystyle \frac{2}{3}$ respectively. If a person visits all the three shops to buy the item, then what is the probability that it will be available in at least one of the shops ?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \frac{59}{60}$
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.