1.

The temperature of equal masses of three different liquids A, B and C are 12ºC, 19ºC and 28ºC respectively. The temperature when A and B are mixed is 16ºC and when B and C are mixed is  23ºC. The temperature when A  and C are mixed is                                                              [Kerala PET 2005]

A.            18.2ºC                                     
B.            22ºC
C.            20.2ºC                                     
D.            25.2ºC
Answer» D.            25.2ºC


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