In the sequence of tiles shown below, the missing tile indicated by the question mark should be

To solve the problem, we need to identify the pattern in the sequence of tiles shown in the images. Let's analyze the sequence step by step:
Continuing the sequence from the last part:
The sequence is forming a natural progression, where each next tile has one additional dot than the previous one. Considering this, the missing tile should naturally contain 3 dots.
The correct image based on this logic, where the missing tile should have 3 dots, matches the option provided as the correct answer:

In Panel I of the figure below, the front view and top view of a structure are shown. Which one of the 3D structures shown in Panel II possesses the views shown in Panel I?

Three different views of a dice are shown in the figure below.

The piece of paper that can be folded to make this dice is
An opaque cylinder (shown below) is suspended in the path of a parallel beam of light, such that its shadow is cast on a screen oriented perpendicular to the direction of the light beam. The cylinder can be reoriented in any direction within the light beam. Under these conditions, which one of the shadows P, Q, R, and S is NOT possible?
How many triangles are present in the given figure?
