Which of the following is a/are river(s):

Select the artwork(s) which is/are attributed to Leonardo Da Vinci: [Figure: see page 11 of source PDF]

A square is cut into 7 pieces, as shown on the extreme left of the image. Identify which of the options can be made using all 7 pieces. [Figure: see page 12 of source PDF]

All doctors have to have a good understanding of the human body. Vijay has a good understanding of the human body. So he must be a cardiologist. Which of the following options exhibit the exact same fallacy as the statement above.

Identify which of the options given below can be folded to make the 3D object in the picture shown on the left. [Figure: see page 12 of source PDF]

Which of the figures given below is/are simple rotations of the figure above. [Figure: see page 11 of source PDF]

Shown in the image are schematic diagrams of folding chair structures. If the black dots indicate a hinged joint, identify the structure(s) that will work as a folding chair. [Figure: see page 12 of source PDF]

Identify which of the options given below can be folded to make the 3D object shown in the box. [Figure: see page 10 of source PDF]

Shown below is a tyre tread mark. Choose the correct cross-section(s) that correspond(s) to the same tread mark. All cross sections are perpendicular to the tyre. [Figure: see page 13 of source PDF]