Answer
Multiples of 505 are:
505, 1010, 1515, 2020, 2525, 3030, 3535, 4040, 4545, 5050, 5555, 6060, 6565, 7070, 7575, 8080, 8585, 9090, 9595, 10100, 10605, 11110, 11615, 12120, 12625, 13130, 13635, 14140, 14645, 15150, 15655, 16160, 16665, 17170, 17675, 18180, 18685, 19190, 19695, 20200, 20705, 21210, 21715, 22220, 22725, 23230, 23735, 24240, 24745
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