Q .     An engine has an efficiency of `1/6`. When the temperature of sink is reduced by `62^{\circ}`C, its efficiency is doubled. The temperature of source will be

AIIMS 2013
A

`37^{\circ}C`

B

`62^{\circ}C`

C

`99^{\circ}C`

D

`124^{\circ}C`

HINT

`\eta = 1 - \frac {T_{2}}{T_{1}}`
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