Doha: Rates against the US Dollar as issued on Monday by Qatar National Bank (QNB) have been disclosed, revealing the buying and selling prices for various currencies and precious metals in the region.According to Qatar News Agency, the exchange rates provided by QNB indicate the following values: The Qatari Riyal (QAR) is being bought at 3.64000 and sold at 3.64150. The Saudi Riyal (SAR) is available for buying at 3.75520 and selling at 3.75570, while the United Arab Emirates Dirham (AED) can be bought at 3.67260 and sold at 3.67280.The rates for other currencies include the Bahraini Dinar (BHD) with a buying rate of 0.37688 and a selling rate of 0.37713, and the Kuwaiti Dinar (KWD) with a buying rate of 0.30785 and a selling rate of 0.30795. The British Pound (GBP) is being bought at 1.31990 and sold at 1.32030, and the Euro (EUR) at 1.13850 for buying and 1.13870 for selling.Furthermore, the Swiss Franc (CHF) has a buying rate of 0.80970 and a selling rate of 0.81000, while the Japanese Yen (JPY) sta nds at 161.78000 for buying and 161.79000 for selling. In the precious metals market, gold is being bought at 4066.70000 and sold at 4067.90000, with silver priced at 58.58000 for buying and 58.63000 for selling.