KARACHI -: Dollar dipped against rupee in cash free market while took strength in inter bank on Monday, it was traded at lowest rate of Rs 99.85 in cash free market.  According to the data provided by the Forex Association of Pakistan, dollar traded at minimum rate of Rs 99.90 and maximum rate of Rs 100 in inter bank. The US currency traded at lowest price of Rs 99.85 and highest price of Rs 99.95 in cash free market.