Multiple choice general knowledge science & technology

Centrigrade and Fahrenheit scales give same reading at

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

The Celsius and Fahrenheit scales intersect at exactly -40 degrees. This can be derived from the conversion formula: F = (9/5)C + 32. At -40°C, the Fahrenheit reading is also -40°F. This is the only temperature where both scales show the same numerical value.