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An engine has an efficiency of 1/6. When...

An engine has an efficiency of `1/6`. When the temperature of sink is reduced by `62^(@)C`, its efficiency is doubled. Temperature of the source is

A

`90^@C,37^@C`

B

`124^@C,62^@C`

C

`37^@C,99^@C`

D

`62^@C,124^@C`

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The correct Answer is:
A
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