Answer :
There are two models so there are 2 ways to choose
In each way, there are 6ways to choose the colour and in each colour there are 6 ways to choose the features.
So the answer is 2.6.6=72
In each way, there are 6ways to choose the colour and in each colour there are 6 ways to choose the features.
So the answer is 2.6.6=72