Question

The sum of 4 arithmetic means between 3 and 23 is ___________.

Answer 1

Let a = 3
b = 23
To find sum of 4 arithmetic term ..............
here n = 4
∴ Sum of 4 arithmetic terms is means between 3 and 23
$$\begin{gathered} 4\left(\frac{a+b}{2}\right) \\ =4\left(\frac{3+23}{2}\right) \\ =2\left(26\right) \end{gathered}$$
i.e sum of 4 arithmetic means between 3 and 23 = 52.