A, B, and C participated in the same exam. A got x% of total marks and failed by 48 marks. B got y% of total marks and failed by 40 marks, While C got 20% of total marks and failed by 20 Marks. If passing marks are 100, then find out the ratio of x and y and maximum possible marks to score.
1
13 : 15, 400
2
13 : 20, 500
3
15 : 13, 1000
4
3 : 4, 100