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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

`99^(@) C `

B

`124^(@) C`

C

`37^(@) C`

D

`62^(@) C`

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The correct Answer is:
A
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