Spatial Transformations and Paper Folding - General Aptitude - General Aptitude (GA) Previous Year Questions

A transparent square sheet shown above is folded along the dotted line. The folded sheet will look like ________.

Which one of the following sets of pieces can be assembled to form a square with a single round hole near the center? Pieces cannot overlap.

A line of symmetry is defined as a line that divides a figure into two parts in a way such that each part is a mirror image of the other part about that line.
The given figure consists of 16 unit squares arranged as shown. In addition to the three black squares, what is the minimum number of squares that must be coloured black, such that both PQ and MN form lines of symmetry? (The figure is representative)

According to the map shown in the figure, which one of the following statements is correct?
Note: The figure shown is representative.

A square paper, shown in figure (I), is folded along the dotted lines as shown in the figures (II) and (III). Then a few cuts are made as shown in figure (IV). Which one of the following patterns will be obtained when the paper is unfolded?
Note: The figures shown are representative.