Railway Recruitment Board Mathematics — Question 1704
Question
The average of 6 consecutive even numbers is 25. What is the largest of these numbers?
- 28
- 32
- 30
- 26
Correct answer
C — 30
Explanation (English)
Let the numbers be x, x+2, …, x+10. Average = (x + x+10)/2 = x+5 = 25 → x = 20. Numbers: 20,22,24,26,28,30. Largest = 30.
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