Question
Download Solution PDFThe average age of a group of nine retired persons is 64. When one member leaves the group, the average age drops to 62. What is the age of the person who left?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The average age of a group of 9 retired persons = 64
When one member leaves, the average age of the remaining 8 persons = 62
Formula used:
Total age of the group = Average × Number of persons
Age of the person who left = Total age of original group - Total age of remaining group
Calculation:
Total age of the original group = 64 × 9 = 576
Total age of the remaining group = 62 × 8 = 496
Age of the person who left = 576 - 496 = 80
∴ The correct answer is option (4).
Last updated on Feb 11, 2025
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