At what temperature the centigrade (Celsius) and Fahrenheit, readings – McqOptions

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1.	At what temperature the centigrade (Celsius) and Fahrenheit, readings are the same [RPMT 1997, 99, 2003; BHU 1997; MNR 1992; DPMT 1998; CPMT 1995; UPSEAT 1999; KCET 2000]
A.	? 40°
B.	+ 40°
C.	36.6°
D.	? 37°
Answer» B. + 40°

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