Given below are ten pieces of a puzzle. When arranged correctly they form a four-digit number. What is the number formed after the correct arrangement? [Figure: see page 4 of source PDF]

What is the total number of triangles in the figure given below? [Figure: see page 3 of source PDF]

A perspective view of a solid is shown below. The solid is symmetrical, and hidden surfaces such as the base are flat. What is the total number of surfaces in the solid? [Figure: see page 4 of source PDF]

What is the maximum number of complete circles that will be seen, if the strips given below are re-arranged without rotating? [Figure: see page 3 of source PDF]

A perspective view of a solid object is shown on the left. The object is cut simultaneously along THREE perpendicular planes as shown on the right. How many surfaces will the resulting pieces have in total (i.e. sum of the surfaces of all pieces)? [Figure: see page 4 of source PD…

How many matching pairs of shoes (both left and right shoe) are present in the image below? [Figure: see page 5 of source PDF]

A typical football is made by stitching together 12 pentagons and 20 hexagons. How many vertices (junctions) are there in such a football?

A wooden block of dimension 10cm x 20cm x 30cm is cut into equal sized planks. The cut planks are stacked one above the other to achieve a total height of 100cm exactly. If the minimum number of planks are cut to achieve this height, then what is the volume of each plank in cm³?

Shown below are two stacked paper cups and a box with their dimensions. If stacking is allowed, then what is the maximum number of cups that can be stored in the box without deforming the cups? [Figure: see page 6 of source PDF]