KARACHI -  Dollar took strength against rupee in money market on Tuesday, It was traded at highest rate of Rs 100.90 in inter bank. According to the data provided by the Forex Association of Pakistan, dollar traded at minimum rate of Rs 100.65 and maximum rate of Rs 100.70 in inter bank while it was traded at lowest rate of Rs 100.70 and highest rate of Rs 100.90 in cash free market.