The average of the first five multiples of 3 is 9. To find this, you first list the multiples (3, 6, 9, 12, and 15), add them together to get 45, and then divide the sum by 5. First five multiples of 3: 3,6,9,12,15 Sum of the multiples: 3+6+9+12+15=45 Average: 45/5=9
The average first five multiples of 3 is ______?
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.