Geometric mean of 2, 6 and x is equal to 6. What is the value of x ?
The geometric-mean equation (2·6·x)^(1/3)=6 gives 12x=216 and x=18. Values 2,9,3 would give products 24,108,36, not 216. 18 : Correct in the comparison explained above.
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Geometric mean of 2, 6 and x is equal to 6. What is the value of x ?
Answer and explanation
Correct answer B
The geometric-mean equation (2·6·x)^(1/3)=6 gives 12x=216 and x=18. Values 2,9,3 would give products 24,108,36, not 216. 18 : Correct in the comparison explained above.
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UGC NET Economics