Find the option figure, in which figure (X) is embedded?

Choose the answer figure which completes the problem figure matrix?

Which of the option figures completes the figure matrix given below?

The figures X, Y and Z given below show a sequence of folding of paper. The fig (Z) shows the manner in which the folded paper has been cut. Choose from the answer figures given in options which would most closely resemble the unfolded form of fig. (Z).

Which option will represent the venn diagram of Dogs, Pets, Cats:

Select the answer figure which completes the figure matrix?