Hi Dear here is the 1 rupee that is missing in ur Question

A man goes to a drycleaner, gives him 2 suits for pressing and after one hr he comes back and the worker in that shop takes 50 rupees from him. After a while the owner of shop comes and says to worker to get back to that man give him 5 rupees back and he gives him 2 rupees only as there were 2 suits nw that man cost 48 and 3 rupees are held with the worker it totals 48+3= 51
thats the one rupee missing in ur question..

No need to thank/////////// Ali Raza Malana