The average expenditure of a man for the first five months of a year is Rs. 5000 and for the next seven months it is Rs. 5400. He saves Rs. 2300 during the year. His average monthly income is-
A. Rs. 5425 B. Rs. 5446 C. Rs. 5500 D. Rs. 5600 Answer: Option AShow Answer
Solution(By Apex Team)
$\begin{array}{l}\text{Total yearly income}\\
\text{= Rs. (5000 × 5 + 5400 × 7 + 2300)}\\
\text{= Rs. (25000 + 37800 + 2300)}\\
\text{= Rs. 65100}\\
\text{∴ Average monthly income}\\
=\text{Rs.}\ \left(\Large\frac{65100}{12}\right)\\
=\text{Rs.}\ 5425\end{array}$
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