The average expenditure of a labourer for 6 months was 80 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 i Choose the correct choice from the following options:
A) 70  B) 72  C) 75  D) 78  E) 80
Income of 6 months = (6 × 80) – debt   = 480 – debt   Income of the man for next 4 months   = 4 × 60 + debt + 30   = 270 + debt   ∴ Income of 10 months = 750   Average monthly income = 750 ÷ 10 = 75   Answer 75
<result>C</result>
The average expenditure of a labourer for 6 months was 80 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 i