| 541 | How many EU member states use the euro as of 2026? | 21 |
| 542 | Pakistan became a nuclear power in which year? | 1998 |
| 543 | Where is the WFP headquarters? | Rome, Italy |
| 544 | What does IMO mainly regulate? | International shipping and maritime safety |
| 545 | What is the name of NASA's Artemis program? | A program for human exploration of the Moon and preparation for future Mars missions |
| 546 | Which country hosted the 2025 ICC World Test Championship final? | England |
| 547 | Approximately how many health threats did WHO assess and verify in 2025? | Around 500 |
| 548 | What is the purpose of the WHO Pandemic Agreement? | To strengthen international pandemic prevention, preparedness and response |
| 549 | Which country held the G20 presidency in 2025? | South Africa |
| 550 | Which organization provides financial assistance programs to Pakistan? | International Monetary Fund (IMF) |