How many triangles are there in the following figure?

Choose the mirror image of the given figure:

Given below from the options, choose the answer figure which is embedded in the question figure.

Question figure:

How many squares are there in the given shape?

Find out which of the figures can be formed from the pieces given in Figure (X):

After folding the above figure along the dotted line, which figure will be obtained:

(Four option figures shown as visual diagrams that cannot be represented in text.)

What will be next figure of the series?