उत्तर : 3. "An apparent misfortune that results in something good"
व्याख्या :

Explanation: The idiom "a blessing in disguise" refers to a situation that initially appears to be unfortunate or bad but ultimately results in something good or beneficial. It suggests that what seemed like a setback or problem actually turns out to have positive outcomes in the end. Therefore, option c) accurately reflects the meaning of this idiom.