Question

Find the related number from $26:5::65:?$

Answer 1

Finding the missing number.

Given number is $26:5::65:?$
Relation between the given number
$$\begin{gathered} \Rightarrow 26:5::65:?=(25+1):5::(64+1):? \\ =(5^2+1):5::(8^2+1):8 \end{gathered}$$

Hence the required answer is $26:5::65:8$