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