Question

If √6 is the geometric mean between 4 and another number, then the number is 1.5 9 24

Answer 1

Correct answer is A.

g - geometric mean
$g= \sqrt{ab} \\ \\g= \sqrt{6} ,a=4,b=? \\ \sqrt{6}= \sqrt{4b} \\ (\sqrt{6})^2= (\sqrt{4b} )^2 \\6=4b \\ \\b= \frac{6}{4} = \frac{3}{2}=1.5$