WBJEE rank with 48 marks

What rank I will get in WBJEE with 48 marks??? I dont understand this ranking system

WBJEES Rank is totally based on cut off marks of that particular year; it may change year to year. With 48 marks you can get ranking in between 6000 9000. Following rank table will help you in understanding this ranking system:

WBJEE 2013 Rank Predictor
Marks Range WBJEE 2013 Expected Rank

> 200 1 10
200 185 10 40
185 170 40 90
170 155 90 200
155 140 200 400
140 125 400 600
125 105 600 1000
105 90 1000 1500
90 80 1500 2000
80 70 2000 3000
70 60 3000 4500
60 50 4500 6000
50 45 6000 9000
45 40 9000 11000
40 35 11000 15000
35 30 15000 20000
30 25 20000 30000
25 20 30000 45000
< 20 > 45000