Question

What is the temperature which has the same value on celcius & Fahrenheit scale -

(A) 1200 (B) -40° (C) 40° (D) –12

Answer 1

F=
$\frac{9}{5}c + 32$

here put c = -40°

F = 9/5(-40)+32

F = -72 +32

F = -40


SO, YOUR ANSWER IS (B) -40°