The World’s largest subway system is in

Which of the following country has world’s largest Banknote?

The largest fresh water lake of Africa by area is

World’s largest Copper producer is

World’s largest nuclear project Barakah power plant is located in ?

After Pashtun which is the second largest ethnic group of Afghanistan?

Which Country largest grower and Producer of Palm oil?

Which is the Second Largest Landlocked Country in the World?

The largest state of the USA by area is

The largest Gold mine of Australia is