Multiple choice general knowledge

Centigrade & Fahrenheit scales give same reading at :

    • 40°
    • 32°
    • 273°
    • 100°
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A Correct answer
Explanation

The Celsius and Fahrenheit temperature scales intersect at exactly -40 degrees, meaning -40°C = -40°F. This can be verified using the conversion formula F = (9/5)C + 32. At -273° (absolute zero), the readings are very different.