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Carnot engine operating between temperatures T1 and T2 has efficiency 1/6 . When T2 is lowered by 62 K, its efficiency increases to 1/3. Then T1 and T2 are, respectively:

(A) 372 K and 330 K 

(B) 330 K and 268 K 

(C) 310 K and 248 K 

(D) 372 K and 310 K 

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Correct option (D) 372 K and 310 K

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