LIST I | LIST II | ||
| A | High Noon | I | Alfred Hitchcock |
| B | Lawrence of Arabia | II | Fred Zinnemann |
| C | Wild Strawberries | III | David Lean |
| D | Psycho | IV | Ingmar Bergman |
Fill in the blank with the correct option.
The teacher believed that the student’s sudden lack of interest in class was an ..........., as he had always been enthusiastic and attentive.
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)