IBPS RRB Office Assistant Model Paper 2

In a class, among the passed students Neeta is 22nd from the top and Kalyan, whois 5 ranks below Neeta is 34th from the bottom. All the students from the classhave appeared for the exam. If the ratio of the students who passed in the examto those who failed is 4 : 1 in that class, how many students are there in the class?