Celsius Fahrenheit scale shows the same reading at ___ temperature.

A -40

B 40

C 32

D -32

Solution

Correct Answer: Option A

আমরা জানি ,
C/5=(F-32)/9
মনে করি ,C=F=X
∴x/5=(x-32)/F
বা,9x=5x-160
বা, 4x=-160
বা,x=-160/4
বা,x=-40⁰

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