An engine has an efficiency of 1 6
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A Carnot engine has an efficiency of 1/6. When the temperature of the sink is reduced by 62ºC, its efficiency is doubled. The temperatures of the source and the sink are, respectively
(A) 62ºC, 124ºC (B) 99ºC, 37ºC (C) 37ºC, 99ºC (D) 124ºC, 62ºC