| List I (Roles) | List II (Nature of Work) |
|---|---|
| A. Anchor | III. Presents a programme |
| B. Script writer | I. Writes a script |
| C. Actor | IV. Performs different roles |
| D. Camera person | II. Operates the camera |
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?
\(2, 6, 12, 20, 30, \ ?\)