Find the geomertric mean of 4 and 25.

Find the geometric mean of 4 and 25.

Find the arithmetic mean of 4 and 12.

Find the arithmetic mean of 4 and 12.

If 10 is the geometric mean of 25 and x,then find the value of x.

Find the geometric mean of the following number : 18,40,25 and 45.

Find the mean of 4, 6, 7, 9 and 4.

Find the arithmetic mean of 10 observations 14, 36, 25, 28, 35, 32, 56,42, 50, 62 by assuming mean’as 40. Also find mean by regular formula. Do you find any difference?