If Jhansi is 12 ahead in the rank of Prabha, who ranks 15th from last, then how many students are there in the class if Jhansi ranks 4th in order of merit?
23
27
30
31
C.
30
Jhansi ranks in the merit from starting =4
Jhansi ranks in the merit from last = 15 + 12 = 27
Therefore, total number of students = 4 + 27 - 1
= 31-1
=30
