In a class Vidya ranks 7th from the top, Divya is 7 ranks ahead of Medha and 3 ranks behind Vidya. Sushama, who is 4th from the bottom, is 32 ranks behind Medha. How many students are there in the class?
1) 52
2) 49
3) 50
4) 51
5) None of these

Explanation

1, 52