Shown below are three thematic population age-sex pyramids of three countries. The horizontal axis represents population in millions and the vertical axis represents age cohorts for both male and female population. Which of the following statements is/are correct?

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]

Figure 1 shows a specific pattern. From the options below, select the pattern that best matches the one in Figure 1. [Figure: see page 14 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]

Figure 1 below depicts the locations of 50 families. They are affiliated with red and blue parties as shown. Five wards are to be drawn such that they are continuous and have equal number of families. The party that wins three or more of the five wards wins the election. Select t…

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]

Given below is a structure made of coloured straws. Which of the views shown in the options belong(s) to the object in the box? [Figure: see page 14 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]

Holes have been drilled through a cube of size 10 x 10 x 10 units, as shown in the figure below. The number near each hole indicates its depth in units. All holes, except A, B, C, D and P, have been sealed on the surface after drilling. If water is poured through hole P, from whi…