A Carnot engine operating between temperatures $T_1$ and $T_2$ has efficiency $\frac{1}{6}$. When $T_2$ is lowered by 62 $K$, its efficiency increases to $\frac{1}{3}$. Then $T_1$ and $T_2$ are, respectively :

Question

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