Name the company or name of the Rubik's cube with appropriate no as shown in the image?
As shown in the image, the nine horses are square fenced. By constructing just two square fences can you make sure that two horses cannot meet each other without crossing the fence?
Four right triangles with distinct integer hypotenuses are put together to form a quadrilateral, as shown in image. What's the smallest possible perimeter of this quadrilateral?
Note: Legs of the triangles need not to be integers.
A cube contains 9 identical spheres, as shown below. There is one sphere in the center of the cube. Above (and below) the center sphere are 4 spheres tangent to the center sphere and the 4 corners of the cube. What is the radius of each sphere?
Fill in the blanks with appropriate letters, to find the name of a sport.
