If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Average — quick quiz

5 real Delhi Police PC questions on Average. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

The average age of 12 students is 18 years. If the age of their teacher is included, the average becomes 19 years. What is the age of the teacher?