In fig. (X), one of the dots lies in the region common to the square and the triangle only, another dot lies in the region common to the circle and the triangle only and the third dot lies in the region common to the triangle and the rectangle only. In fig. (2), there is no region common to the square and the triangle only. In fig. (3), there is no region common to the circle and the triangle only. In fig. (4) there is no region common to the triangle and the rectangle only. Only fig. (1) consists of all the three types of regions.
7. Find out how will the key figure (X) look like after rotation.
From first figure to second figure the inner design is replaced with a new design.
10.
In a solid cube which is made up of
27 small cubes, two opposite sides are painted red, two painted yellow and the other two with white. How many cubes have two colours?