Which one of the following pairs is not correctly matched ?

Budapest - Hungary
Kinshasa - Zaire
Nairobi - Kenya
Christ Church - New Zealand

The correct answer is (b). Kinshasa is the capital of the Democratic Republic of the Congo, not Zaire. Zaire was the name of the country from 1971 to 1997.

Budapest is the capital of Hungary. Nairobi is the capital of Kenya. Christ Church is a city in New Zealand.