World Geography and Capitals

Port Louis is the capital and largest city of Mauritius, an island nation in the Indian Ocean. The other options are capitals of different countries: Sydney (Australia), London (UK), and Ulaanbaatar (Mongolia).

Wellington is the capital of New Zealand, located at the southern tip of the North Island. The other options are capitals or major cities of different countries: Alofi (Niue), Panama City (Panama), and Manila (Philippines).

Montevideo is the capital and largest city of Uruguay, situated on the country's southern coast. Spain is a country (not a city), Kathmandu is the capital of Nepal, and Hagatna (Agana) is the capital of Guam.

Vaduz is the capital of Liechtenstein, a small principality located between Switzerland and Austria. The other options are capitals of different countries: Dushanbe (Tajikistan), Paramaribo (Suriname), and Stockholm (Sweden).

Paramaribo is the capital and largest city of Suriname, located on the banks of the Suriname River. Mbabane is the capital of Eswatini (Swaziland), Vaduz is the capital of Liechtenstein, and Stockholm is the capital of Sweden.

Nuku'alofa is the capital of Tonga, located on the island of Tongatapu. The other options are capitals of different countries: Bern (Switzerland), Taipei (Taiwan), and Dodoma (Tanzania).

Bratislava is the capital of Slovakia, located in the southwestern part of the country along the Danube River. Colombo is the commercial capital of Sri Lanka, Ljubljana is the capital of Slovenia, and Honiara is the capital of Solomon Islands.

Pretoria is one of South Africa's three capital cities, serving as the administrative capital (executive branch). South Africa uniquely has three capitals: Pretoria (executive), Cape Town (legislative), and Bloemfontein (judicial). Paramaribo is the capital of Suriname, Delhi of India, and Hong Kong is a special administrative region of China.

Freetown is the capital and largest city of Sierra Leone, founded in 1792 as a settlement for freed slaves. The distractor 'Costtown' appears to be a made-up name, 'Melhi' has no geographic significance, and 'None' is incorrect as Sierra Leone does have a capital city.

The Commonwealth of Independent States (CIS) headquarters is in Minsk, Belarus. The CIS was formed in 1991 after the dissolution of the Soviet Union. Moscow was the USSR capital, Kiev is in Ukraine, and Kistiner is not a major city in Moldova.

Luxembourg City is the capital of the Grand Duchy of Luxembourg. The city shares its name with the country, which is a common pattern for capital cities of small European nations.

Bihar is a state in India, while Connecticut, New York, Hawaii, and Texas are all states in the United States of America. The country classification makes Bihar the odd one out.

The IAEA, established in 1957 as a UN agency, has its headquarters in Vienna, Austria. While many international organizations are based in Swiss cities like Geneva, Vienna hosts the IAEA alongside other UN offices.

The old name for Taiwan was 'Formosa,' meaning 'beautiful island' in Portuguese, given by Portuguese sailors in the 16th century. However, the option is misspelled as 'Farmosa' instead of 'Formosa.' Despite the typo, this is clearly the intended correct answer.

Seoul is the capital of South Korea. Australia's capital is Canberra, South Africa's has three capitals, and Lebanon's capital is Beirut. The option 'Korea' refers to South Korea in this context.