a gambler promised a man great wealth if he plays cards with him. the cards are numbered 1,2,20 each time, the man picks up an even numbered card the garribler doubles the money. which the man has and the man, should return rs. 8 to the gambler and if the man picks up an odd numbered card, then there is no transaction. the man readily agrees the deal and starts playing. after four rounds, the man gets disappointed about the deal and stops playing and pays his last rs 8 to the gambler the man's pockets were empty and the gambler goes cheerfully (assume that the man picked up even-numbered card in every round he played.) question: with how much money did the man start playing?