CBSE 2026 · Region 4 · Set 2 · Q18 · 1 mark
The probability that it will rain tomorrow in cities A, B and C is $\displaystyle 60$%, $\displaystyle 70$% and $\displaystyle 80$% respectively. The probability that it will rain tomorrow in at least one of the cities is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{244}{250}$
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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.