The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Ranking and Arrangement — quick quiz

5 SOF IMO-pattern questions on Ranking and Arrangement. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

In a class of 45 students, Rahul's rank from the top is 18th. What is his rank from the bottom?