The average expenditure of a man for the first five month is Rs. 120 and for the next seven months it is Rs . 130. if he saves Rs 299 in that year, his monthly average income is?
Correct Answer: Rs. 150
Explanation:
Total income = total expenditure + total saving
= Rs. (120 X 5 + 130 X 7 + 290)
=Rs. 1800 Average monthly income
=1800 / 12
=150 Rs.