CBSE 2025 · Region 5 · Set 2 · Q9 · 1 mark
A piggy bank contains ₹ $\displaystyle 1$ coins and ₹ $\displaystyle 2$ coins in the ratio $\displaystyle 9$ : $\displaystyle 11$ respectively. The piggy bank is accidently dropped and a coin pops out of it. The probability that it is a ₹ $\displaystyle 2$ coin is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 0.55$
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CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.