What does the acronym 'OPEC' stand for in global energy affairs?

China's economy is generally ranked as which position globally by nominal GDP in recent years?

Which country has historically maintained the world's largest foreign exchange reserves?

Which regulatory body oversees electronic media content and broadcasting standards in Pakistan?

Which global agreement aims to phase down the production and consumption of hydrofluorocarbons (HFCs) to combat climate change?

Which Pakistani city has been at the center of urban transport development through mass transit projects such as metro bus systems?