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