Question

Find the geometric mean of the pair of numbers.
36 and 4

A.22
B.17
C.12
D.32

Answer 1

geometric mean of two numbers a and b is given by

\[GM=\sqrt{a \times b}\]

Answer 2

now can you tell the answer?

Answer 3

Another way of looking at this:

\[\frac{4}{x} = \frac{x}{36} \rightarrow x^2 = 4*36 \rightarrow x = ?\]