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An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as

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An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as Answer: sonic

Question context

This question is part of 🚧 Civil Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.