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Sometimes a cycle with well inflated tyres left in the sun, has its tubes burst open. Why?

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Sometimes a cycle with well inflated tyres left in the sun, has its tubes burst open. Why? Answer: Because the pressure of air inside the tube increases

When a tyre is exposed to the sun, the air inside heats up, causing its pressure to rise. Since the tyre can only withstand a certain pressure, excessive pressure can make the tube burst. This is a simple illustration of how temperature affects gas pressure.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh 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.