If the mean 40, k, 6k, 4k 2 , 8k-4k 2 is 20, then the value of k is ________.
CA Foundation · Quantitative Aptitude · PYQS · May 2026
If the mean 40, k, 6k, 4k 2 , 8k-4k 2 is 20, then the value of k is ________.
Suggested Answer and Working Notes:
Correct Answer: Option (D)
D. 4
Topics: Part-C: Statistics
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