Find the number of triangles in the below figure?

Which answer figure will complete the pattern of the question figure?

Question Figure

The following questions consist of a set of three figures X, Y3 and Z showing a sequence of folding of a piece of paper. Fig (Z) shows the manner in which the folded paper has been cut. These three figures are followed by four answer figures from which you have to choose a figure which would most closely resemble the unfolded form fig. (Z)

Which answer figure will complete the pattern of the question figure?

A piece of paper is folded and punched as shown below in the question figures from the given answer figures indicate how it will appear when opened?

How many total numbers of small cubes are there? 

Question figure