Pakistan, Oct. 31 -- Rupee on Friday appreciated by 1 paisa against the US Dollar in interbank trading and closed at Rs 276.75, compared to the previous day's closing of Rs 276.76. According to the Forex Association of Pakistan (FAP), the dollar's open-market buying and selling rates were Rs 277.50 and Rs 280, respectively. The price of the Euro increased by Rs 1.51, closing at Rs 309.79 against the previous day's rate of Rs 308.28, according to the State Bank of Pakistan (SBP). The Japanese Yen remained unchanged to close at Rs 1.75; while the British Pound surged by Rs 2.74 and closed at Rs 371.19 against the previous day's Rs 368.45. The exchange rates of the Emirate Dirham and the Saudi Riyal came down by 01 paisa each and closed at R...