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Question

A Carnot engine operating between temperatures T1 and T2 has efficiency 16. When T2 is lowered by 62 K, it's efficiency increases to 13. Then T1 and T2 are, respectively :

A
372 K and 310 K
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B
372 K and 330 K
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C
330 K and 268 K
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D
310 K and 248 K
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