KARACHI - Dollar took further strength in inter-bank market against rupee and traded at lowest price of Rs 97.75 on Monday.  According to the data provided by the Forex Association of Pakistan, the minimum price of dollar was Rs 97.75 and maximum was Rs 97.85 in inter bank market. On the other side US dollar traded at lowest price of Rs 99.25 and highest price of Rs 99.50 in open market.