Multiple choice general knowledge

At what temperature the readings in the Centigrade and the Fahrenheit thermometers will be exactly same?

  1. 40 degrees

  2. 0 degree

  3. minus 40 degrees

  4. 32 degrees

  5. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Celsius and Fahrenheit scales intersect at exactly -40 degrees. Using the conversion formula F = (9/5)C + 32, when C = -40, F = (9/5)(-40) + 32 = -72 + 32 = -40. This is the only temperature where both scales give the same reading.

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