ISLAMABAD - The exchange rate of Pakistan rupee against US dollar edged up by 1 paisa in the interbank trading on Friday to close at Rs171.18 against the previous day’s closing of Rs 171.19. According to Forex Association of Pakistan, the buying and selling rates of dollar in the open market were recorded at Rs171.6 and Rs172.6 respectively. Similarly, the price of euro which was traded at Rs198.78, appreciated by 7 paisas as compared to its last closing of Rs198.71, the State Bank of Pakistan reported. The Japanese Yen lost one paisa to close at Rs1.50, whereas an increase of 37 paisas was witnessed in the exchange rate of British Pound, which was traded at Rs234.88 as compared to its last closing of Rs234.51. The exchange rates of Emirates Dirham and Saudi Riyal decreased by 1 paisas each to close at Rs46.60 and Rs45.63 respectively.