The average annual income (in $Rs.$) of certain agricultural workers is $S$ and that of other workers is $T$. The number of agricultural workers is $11$ times that of other workers. Then the average annual income (in $Rs.$) of all the workers is
The average annual income (in $Rs.$) of certain agricultural workers is $S$ and that of other workers is $T$. The number of agricultural workers is $11$ times that of other workers. Then the average annual income (in $Rs.$) of all the workers is
- A
$\frac{S+T}{2}$
- B
$\frac{S+11T}{2}$
- C
$\frac{1+T}{11S}$
- D
$\frac{11S+T}{12}$
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