msn krishnaans; 1800 because, lady gave fake note that means she gave nothing shopkeeper (1); took 1000 from shopkeeper (2). by giving fake note (zero) shopkeeper (1) gave product worth...

micheal john1) shopkeeper gave the lady 200rs worth product 2) next shopkeeper has to return 1000rs to the second shopkeeper 3)200+1000 = 1200 ans: 1200 P.S the confusing factor here...

sry to say shopkeeper took 1000rs change and kept 200 and returned 800 later for next shopkeeper he has to return 1000 so he gave the 200 change+ 800 from...