NDA 2010
Exam NDA
Year 2010
Subject Mathematics
Chapter Sequences and Series
NDA 2010 · Mathematics · Sequences and Series
The geometric mean of three numbers was computed as 6. It was...
The geometric mean of three numbers was computed as 6. It was subsequently found that, in this computation, a number 8 was wrongly read as 12. What is the correct geometric mean?
Options A 4 B 5 3 \sqrt[3]{5} 3 5 C 2 18 3 2 \sqrt[3]{18} 2 3 18 D None of these
Correct answer C. 2 18 3 2 \sqrt[3]{18} 2 3 18
Step-by-step solution
The correct answer is option (C).
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