# Fisher's ideal index number is

A. Arithmetic mean of Laspeyre's and Paasche's index

B. Harmonic mean of Laspeyre's and Paasche's index

C. Geometric mean of Laspeyre's and Paasche's index

D. None of the above

**Answer: Option C **

__Solution(By Examveda Team)__

Fisher's Ideal volume index is the geometric mean of the Laspeyres and Paasche volume indices. A measure of change in volume from period to period. It is calculated as the geometric mean of a chain Paasche volume index and a chain Laspeyres volume index.
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