Idiom "At eleven o'clock" means?

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Idiom "At eleven o'clock" means? Answer: Very late / at the last moment

Question context

This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the FGEI - Federal Government Educational Institutions (Cantts/Garrisons preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.