Given three equal resistors, how many different combination of all the three resistor can be made

Given three equal resistors. How many different combination of these three resistances can be made?

Given three resistors of different values. How many different combination of these three resistance can be made ?

You are given three equal resistors. How many resistances can be obtained by joining them in series and parallel grouping ?

Suppose that you have three resistance each of value 30Omega . How many resistor can you obtain by various combinations of these three resistors ? Draw diagrams in support of your predictions.

You are given three equal resistors. How many groups of resistances can be obtained by joining them in series and parallel grouping ?

You are given three equal resistors. How many groups of resistances can be obtained by joining them in series and parallel grouping?

How many types of combination of resistors are there and what are they ?