| 641 | How many constitutions has Pakistan had? | Three |
| 642 | What is the common name of the Academy Awards? | Oscars |
| 643 | What is cryptocurrency? | A digital asset that uses cryptographic techniques and typically operates on decentralized networks |
| 644 | Where is the Arab League headquarters? | Cairo, Egypt |
| 645 | What is the world's largest country by area? | Russia |
| 646 | What is the full form of ISPR? | Inter-Services Public Relations |
| 647 | Where is the ITU headquartered? | Geneva, Switzerland |
| 648 | What does DNA stand for? | Deoxyribonucleic acid |
| 649 | Where is ICAO headquartered? | Montreal, Canada |
| 650 | What is the capital of the United States? | Washington, D.C. |