The average age of a group of 7 members is 62 years. If one of the members leaves the group the average age is reduced by 1 year. Find the age of the member who leaves the group.

If a 39-year-old man is replaced by a new man, then the average age of 28 men increases by 1.5 years. What is the age of the new man?

There are 3 members in a family. The average age of the father and mother is 40 years. The average age of the father, mother, and daughter is 30 years. Find the age (in years) of the daughter.

The sum of the ages of 6 children born at the interval of two years each is 90 years. What is the age (in years) of the eldest child?

There are 18 people in a family and the average age of all the family members is 36 years. A new baby is born in a family. After 7 years what will be the average age of all family members?

The present average age of four members of a family is 27 years and the average increases by 3 years when one of their relatives joins them. The age of the relative is:

The average age of a group of friends is 27 years. If 4 new friends whose average age is 25 years join them, the average age of the entire group becomes 26 years. How many people were there in the group initially?

The average age of 6 children is 12 years. The age of their father and mother are 45 and 55. If the average age of 6 children, father, mother, and grandfather is 27 years. Find the age of the grandfather.

The average age of 27 professors in a college is 42 years. 3 professors retire from the college at the age of 60 years and 4 new joined whose average age is 31 years. Calculate the average age of the professors now.

The average age of a class of 6 girls is x years. Four new girls having ages x-2, x+4, x+8 and x + 10 joins the class. What is the new average age of the class?

The average age of 19 students of a class is 22 years. If a new student of age 42 years joins the class, then what will be the average age of these 20 students?

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is:

The average age of 14 students and their teacher is 20 years. If the teacher is excluded, then their average age is reduced by 1.5 years. Find the age of the teacher.

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is:

The average age of 50 members in a council of state is 58 years. If one of the members whose age is 60 years resigns and another one joins then the average increased by 0.5 year. Find the age of new member.

The average age of a family which has 4 members was 24 years. After 10 years, the average age of family became 28 years. A baby girl was born in this duration. if the average age of family is 30 years now, find the present age of the girl.

The average age of 41 students of a class and their teacher is 24 years. When the teacher's age is excluded the average age is reduced by 1 year. What is the age of the teacher?

The average of the ages of a husband and his wife was 25 years at the time of their wedding. after 7 years they have a 2 years old child. What is the average age of the family at present?

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is:

The average age of 5 people on a team increases by 1 year when two boys aged 12 and 11 are replaced with 2 girls. Find the average age of those two girls.

A family consists of two grandparents, two parents, and four grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 9 years. What is the average age of the family?

The average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?

The average age of six brothers is 15 years. If their father is also included, the average is increased by 7 years. Find the age of the father (in years).

There are 12 workers in an office and the average age of all workers is \(35\frac{1}{2}\)years. A new worker joins the office, the average becomes 37 years. The current age of the newly joined worker is:

The average age of six brothers is 15 years. If their father is also included, the average is increased by 7 years. Find the age of the father (in years).

The average ages of parents and two children are 28 years and 18 years respectively. The average age of the family is?

The average age of 23 students selected from a school is 14 years. When the age of their teacher is added, the average becomes 15 years. What is the age of the teacher?

The average age of a group of 7 members is 62 years. If one of the members leaves the group the average age is reduced by a year. Find the age of the member who leaves the group.

The average age of A and B is 36 years. If C were to replace A, the average would be 28 years and if C were to replace B, the average would be 32 years. What will be the sum of the ages of A, B, and C?

The average age of 23 students selected from a school is 14 years. When the age of their teacher is added, the average becomes 15 years. What is the age of the teacher?

The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is:

The average age of 19 students of a class is 22 years. If a new student of age 42 years joins the class, then what will be the average age of these 20 students?

Average age of 22 teachers is 64 years. After involving a new teacher in that group the average increases by 1 year. What is the age of the new teacher?