Question

type-ssc

Find the geometric mean for the series given below.

31, 93, 279

A 31 Correct Answer Incorrect Answer
B 93 Correct Answer Incorrect Answer
C 54 Correct Answer Incorrect Answer
D 63 Correct Answer Incorrect Answer

Solution

geometric mean = √ x1 x2............ xn 31×93×279 = ∛ 31×93×3×93   = ∛ 3×3×3×31×31×31   = 93

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