Capital Cities

What Middle Eastern country has Muscat as its capital and uses the rial as its currency?

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What is the capital of Uzbekistan?
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What is the capital of Mexico?
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What is the capital of Angola?
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Charleston is the capital of which U.S. state?
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What is the capital of Egypt?
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Which of these continent - country - capital groups is correct?
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Which country with a total area of 2,860 square kilometers has Apia as its capital city?
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In which capital city can you find the Meiji Shrine and Sensoji Temple?
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