The average of 7, 13, 17, x, and 29 is 18. What is the value of x?
- 22
- 23
- 24
- None of these
Explanation
Given:
Average = 18
Numbers: 7, 13, 17, x, 29
Average = (Sum of numbers) / (Total count)
18 = (7 + 13 + 17 + x + 29) / 5
Multiply both sides by 5:
90 = 66 + x
x = 90 - 66
x = 24
Related MCQs
- 8
- 8.5
- 9
- None of these
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