The average expenditure of a man for the first five months is Rs.300 and for the next seven months it is Rs.130. If he saves Rs.290 in that year, his monthly average income is :
Select the correct option.
A) Rs.140	B) Rs.150	C) Rs.190	D) Rs.225	E) none
Explanation:   Total income = Rs.(300Ã—5+130Ã—7+290)=Rs.2700   Average monthly income   = Rs. (2700/12)=Rs.225   Correct Option: Rs.225
<result>D</result>
The average expenditure of a man for the first five months is Rs.300 and for the next seven months it is Rs.130. If he saves Rs.290 in that year, his monthly average income is :