karachi - Dollar took strength against rupee in cash-free market on Friday, it was traded at highest price of Rs 99.05. According to the data provide by the Forex Association of Pakistan, dollar traded at lowest rate of Rs 98.68 and highest price of Rs 98.78 in inter bank market. While the US currency traded at minimum rate of Rs 98.85 and maximum rate of Rs 99.05 in open market.