Subject: General Aptitude · Chapter: Average · Exam: 2007 · Marks: · Difficulty:
The average expenditure of a man for the first five months of a year is ₹ 5000 and for the next seven months it is ₹ 5400. He saves ₹ 2300 during the year. His average monthly income is
(a)₹ 5425
(b)₹ 5446
(c)₹ 5500
(d)₹ 5600
Answer
Answer (as printed): A
Explanation
$$\begin{aligned} & \text { Total yearly income }=₹(5000 \times 5+5400 \times 7+2300) \\ & =₹(25000+37800+2300)=₹ 65100 . \\ & \therefore \text { Average monthly income }=₹\left(\frac{65100}{12}\right)=₹ 5425 . \end{aligned}$$
Explanation as extracted from the printed page; notation may be imperfect.