Who won the women’s singles title at the 2026 Madrid Open?

Which of the following countries has been designated as the Chair of the Common Criteria Recognition Arrangement? 

Where is the headquarters of the South Coast Railway, the 18th railway zone of Indian Railways, located?

Rathindra Bose was recently appointed as the Speaker of which Legislative Assembly?

From which of the following states was the successful flight test of the advanced version of the Agni Missile, equipped with an MIRV system, conducted?