The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
Find how much younger is the new member?
The new person is 36 years younger than the older person was - or 40 years younger than the older person now is.
The average age of a 52 members of a village is 32 years. If the age of the youngest member be 7 years. Then what was the average age of the village at the birth of the youngest member?
The average age of a family of 18 members is 82 years. If the age of the youngest member is 12 years, what was the average age of the family just before the birth of the youngest member?
The average age of 16 employee in a working for an organization is decreased by 3 months, when an employee aged 17 years replaced by a new employee. Find the age of new employee.
The average weight of 19 students was 50 kg. By the admission of a new student the average weight is reduced to 49.6 kg. What is the weight of the new student?
The average age of a 10-members committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
How much younger is the new member, compared to the old member?
