KARACHI - Dollar dipped against rupee in cash free market on Monday, it was traded at lowest rate of Rs 98.80. According to the data provided by the Forex Association of Pakistan, dollar traded at lowest rate of Rs 98.75 and highest rate of Rs 98.85 in inter bank market. on the other side it was traded at minimum rate of Rs 98.80 and maximum rate of Rs 99 in cash free market.