The average expenditure of a labourer for 3 months was 85 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income is	Select.
A) 70.2  B) 50.1  C) 75.2  D) 78.4  E) 52.5
Income of 3 months = (3 × 85) – debt   = 255 – debt   Income of the man for next 4 months   = 4 × 60 + debt + 30   = 270 + debt   ∴ Income of 10 months = 525   Average monthly income = 525 ÷ 10 = 52.5   Answer 52.5
<result>E</result>
The average expenditure of a labourer for 3 months was 85 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income is