If only 1 rupees coins 10 Paisa coins and 1 Paisa coins are available in how many ways can a person pay 786 Paisa

100x+10y+z=786 x, y, z are number of 1 Re, 10 Paise and 1 paise coins respectively. If x=0, y=0,1,2,3,.....,78 If x=1, y=0,1,2,....68 and so on Hence, number of ways is 78+68+58+48+38+28+18+8=344 May also share if the final answer is right