Subject: General Aptitude · Chapter: Average · Exam: 2006 · Marks: · Difficulty:
A man bought 5 shirts at ₹ 450 each, 4 trousers at ₹ 750 each and 12 pairs of shoes at ₹ 750 each. What is the average expenditure per article? (R.R.B., 2006)
Answer
Answer (as printed):
Explanation
Total expenditure $=₹(5 \times 450+4 \times 750+12 \times 750)=₹(2250+3000+9000)=₹ 14250$. Number of articles $=(5+4+12)=21$. $$\text { ∴ Average expenditure }=₹\left(\frac{14250}{21}\right)=₹ \frac{4750}{7}=₹ 678.57 .$$
Explanation as extracted from the printed page; notation may be imperfect.