Match List-I with List-II
| List-I (Ancient Civilizations) | List-II (Form of Advertising) |
|---|---|
| (A) Emperor Ashoka | (II) Stones or pillars for making public announcements |
| (B) Harappa and Mohenjodaro | (I) Used signs to sell arts and crafts |
| (C) Rome | (IV) Acta Diurna - a wall newspaper |
| (D) Egypt | (III) Sales messages and wall posters on papyrus |
Choose the correct answer from the options given below:
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?
\(2, 6, 12, 20, 30, \ ?\)