The average expenditure of a man for the first five months is Rs.360 and for the next seven months it is Rs.130. If he saves Rs.290 in that year, his monthly average income is :
Choose the correct choice from the following choices:
A) Rs.140	B) Rs.150	C) Rs.250	D) Rs.350	E) none
Explanation:   Total income = Rs.(360Ã—5+130Ã—7+290)=Rs.3000   Average monthly income   = Rs. (3000/12)=Rs.250   Rs.250orrect Option: Rs.250
<result>C</result>
The average expenditure of a man for the first five months is Rs.360 and for the next seven months it is Rs.130. If he saves Rs.290 in that year, his monthly average income is :