The temperature in a city was 20° Celsius. What is the equivalent of this temperature in degrees Fahrenheit?

A 4°

B 43.1°

C 68°

D 132°

Correct Answer: Option C

আমরা জানি,
C/5 = (F-32)/9
বা, 20/5 = (F-32)/9
বা, (F-32)/9 = 4
বা, (F-32) = 36
বা, F = 36+32
∴ F = 68