Four different positions of the same dice are shown, the six faces of which are numbered 1 to 6. Select the number that will be on the face opposite to the one showing '3'.

Three positions of the same dice are shown: Position 1 shows (1, 2, 3), Position 2 shows (1, 3, 5), and Position 3 shows (1, 5, 6). Select the number that will be on the face opposite to the face showing '4'.

Two positions of the same dice are given. Which number face is opposite to the face with 6?