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

Average — quick quiz

5 IBPS RRB-pattern questions on Average. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

The average age of 30 students in a class is 15 years. If the teacher's age is included, the average increases by 1 year. What is the age of the teacher?