What is the geometric mean of 10, 40 and 60 (appox)?

What is the geometric mean of 2 and 8?

The geometric mean of 9 and 81 is

The geometric mean of 9 and 81 is

What is the harmonic mean of 10, 20, 25, 40 and 50 ?

The geometric mean of 20 and 45 is ……….

What is the geometric mean of the data 2, 4, 8, 16, 32 ?

What is the geometric mean of the ratio of corresponding terms of two series where G_(1)" and "G_(2) are geometric means of the two series ?

Find 3 geometric means between 10 and 160.