TEHRAN -- These are the official buying and selling rates for leading world currencies against Iran's rial as announced by the Central Bank of Iran (CBI) Tuesday: Currency Buying Selling Euro1,5871,597 Australian dollar1,0261,032 Canadian dollar1,2481,255 Japanese yen (100)1,6311,640 Norwegian krone 196 197 British pound2,6322,647 Swedish krone 189 190 U.S. dollar1,7501,755 Danish krone 212 214 Swiss franc1,0261,032 UAE dirham 476 479 Saudi riyal 467 469 Kuwaiti dinar5,6805,721 Bahraini dinar4,6484,674 Qatar riyal 480 483 Rial Omani 4,545 4,571