Currencies and Exchange Rates

Oman's currency is the Rial Omani, which is divided into 1000 baisa. While Baisa is the subunit rather than the main currency name, it's the correct option among the choices. Boliviano is Bolivian currency.

Ghana's currency is the Cedi (plural: Cedis), which replaced the Ghanaian Pound in 1965. Birr is Ethiopian currency, Centavo is used in several Latin American countries, and Boliviano is Bolivian currency.

Brazil's currency was the Cruzado in the late 1980s before being replaced by the Cruzado Novo and eventually the Real in 1994. Centavo is a subunit used in many currencies. Dalasi is Gambian and Centime is French.

North Macedonia's currency is the Denar (plural: Denari), subdivided into 100 deni. Dinar is used in several Middle Eastern countries but not Macedonia. Dobra is Sao Tomean currency.

Armenia's currency is the Dram, subdivided into 100 luma. It has been Armenia's official currency since replacing the Soviet Ruble in 1993. Ducat is historical currency, Ekuele is Equatorial Guinean.

Austria used the Schilling (ATS) as its currency from 1925 to 2002, before adopting the Euro. The Escudo was used in Portugal and Spain, the Florin was used in various historical contexts (including Austria-Hungary as the Gulden), and the Forint is Hungary's current currency. The Schilling is the correct answer for Austria's pre-Euro currency.

Italy used the lira as its currency before adopting the euro. "Lire" is the correct Italian plural form of "lira." The other options show incorrect plural forms or are from different countries (Litas was Lithuanian).

Nigeria uses the naira as its official currency. Nakfa is Eritrean, New Pence is British (old), and Ngultrum is Bhutanese.

Tonga uses the pa'anga as its currency. Pataca is Macanese, Pence is British, and Pengö is Hungarian (historical).

The Philippines uses the peso, called "piso" in Filipino. Pound is British, Pula is Botswanan, and Rand is South African.

New Zealand uses its own currency called the New Zealand Dollar (NZD), abbreviated as $ or NZ$. It is distinct from the Australian Dollar and other major currencies, managed by the Reserve Bank of New Zealand.

Sweden's currency is the Swedish Krona (SEK), not the Euro. Despite being a European Union member, Sweden has not adopted the Euro as its currency.

Japan has experienced decades of remarkably low inflation, including periods of deflation, since its asset price bubble burst in the 1990s. While some countries occasionally have negative inflation, Japan is notable for prolonged low inflation.

Belgium uses the Euro as its official currency, having adopted it in 2002 when it replaced the Belgian franc. Belgium is a founding member of the European Union and part of the Eurozone, which comprises 20 EU countries that share the Euro as common currency.