If A can run 1 km in 3 minutes and 10 seconds and B can cover the same distance in 3 minutes and 20 seconds, by what distance can A beat B?
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.