Rates against US Dollar as issued on Tuesday by Qatar National Bank (QNB) are as following: Currency Buying Selling --------------------------------------------------- QAR 3.64000 3.64150 SAR 3.75470 3.75510 AED 3.67280 3.67340 BHD 0.37677 0.37722 KWD 0.30626 0.30726 GBP 1.30560 1.30570 EUR 1.08980 1.08990 CHF 0.86300 0.86310 JPY 149.66000 149.67000 GOLD 2645.75000 2646.25000 SILVER 31.12000 31.16000 Source: Qatar News Agency