The average age of 10 children is 9 years 9 months. The average of 9 children is

MCQ Practice

The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child ?

Subject: MathematicsTopic: Average

17 years 3 months

18 years 4 months

17 years 5 months

18 years 3 months

Correct Answer: A