Which of the following is “Mathematical Average”?

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Arithmetic Mean

Geometric Mean

Harmonic mean

All of the above.

answer is A.

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Detailed Solution

Concept-Begin solving the problem by recalling the definitions and formulas for the mathematical, arithmetic, geometric, and harmonic means given using n-terms. Then compare the expression with each definition of the n-term you just defined to get the answer you need.
Mathematical averages are all such averages whose numbers are obtained by mathematical methods from a particular series that represent the entire series. These means include arithmetic mean, geometric mean, and harmonic mean.
Hence, the correct option is 1.

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