The faces of a red cube and a yellow cube are numbered from 1 to 6. Both cubes are rolled. What is the probability that the top face of each cube will have the same number?
Which of the following statements are true?
(i) All cubes are cuboids
(ii) All cuboids are cubes
(iii) A cube has 6 faces , 8 corners , 12 edges
(iv) A cube has 8 faces , 12 corners and 6 edges