The average age of 15 students is 18 years. The average age of 9 students is 12 years. What is the average age of remaining 6 students?

Keep practicing — related questions

• The average age of 41 students of a class is 15 years. When one boy leaves the class, the average is reduce...
• The average age of a family of 9 members is 26 years. If the youngest member of the family is 10 years old,...
• The ratio of Lila's age and her daughter's age is 7 : 4. The difference of their ages is 18 years. Find the...
• The average of 9 quantities is 21 and the average of 6 of them is 22. What is the average of the remaining ...
• The average marks of 22 students in section A of class 9 are 52, that of 23 students of section B are 50 an...
• The present age of a father is 1 year more than 4 times the age of his son. One year later, the father's ag...
• The age of a father, 9 years ago, was 4 times the age of his son. Nine years hence, the age of the father w...
• Five years ago, a mother's age was 15 times that of her daughter. After 5 years, the mother's age will be 1...