puzzle

CMA Ankur Pandey (Govt.Job) (4401 Points)

05 June 2009  

hi freinds ..............try to solve this.

a man went to a shop and buy an article for 10 paise . he give 50 paise to shopkeeper,the shopkeeper reply that he had no change of 40 paise, give me one rupee ,i will return 90 paise to you ..........tell me how?