Initially sivaji had only one coin so he earns only 1000/- to earn more he must convert one 100 note to 10 notes and then one ten note to ten coins now he has Rs.990 and 10 coins after converting 10 coins he has 10990 after converting another 10 coins he has 20980 after converting another 10 coins he has 30970 after converting another 10 coins he has 40960 after converting another 10 coins he has 50950 after converting another 10 rupee note to coins and using only 3 he has seven coins and 53940 so sum is 53940+7=53947