The average age of 20 men is 50. The average age of their wives is 44. 3 couples among them have two children rest have one child. The average age of each child is 19 years. Find the average age of a family.

The average age of 20 men is 50. The average age of their wives is 44. 3 couples among them have two children rest have one child. The average age of each child is 19 years. Find the average age of a family. Correct Answer 115.85

Total age of men = 20 * 50 = 1000 Total age of women = 20 * 44 = 880 Total number of children = 2 * 3 + (20 – 3) = 23 (as three couples have two children rest have one child) Total age of children = 23 * 19 = 437 Average age of the family = (1000 + 880 + 437) / 20 = 115.85.
Bissoy MCQ

Related Questions

In a group of 120 people, one-fifth are men, one-fourth are women and the rest children. The average age of women is five-sixth of the average age of men. Average age of children is one-fourth of the average age of men. If average age of men is 60 years, what is the average age of the group?
The total age of 5 men is 440. The total age of their wives is 385. The average age of their children is 22. What is the average age of each member of the family? (each couple have 3 children)
8 years ago there were 5 members in the Arthur's family and then the average age of the family was 36 years. Mean while Arthur got married and gave birth to a child. Still the average age of his family is same now. What is the age of his wife at the time of his child's birth was.If the difference between the age of her child and herself was 26 years.
There are 7 members in a family. The eldest among them is 42 years old and the youngest among them is 20 years old. If the average age of the rest of the 5 members is 30 years find the average age of the family after 3 years.
Mr. Joe’s family consists of six people-himself, his wife and their four children. It is known that the average age of the family immediately after the birth of the first, second, third and fourth child was 16, 15, 16 and 15 years respectively. Find the age of Mr. Joe’s eldest son if the present average age of the entire family is 16 years -
The average age of 3 children in a family is 20% of the average age of the father and the eldest child. The total age of the mother and the youngest child is 39 years. If the father's age is 26 years, what is the age of the second child ?
10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age diference of 2 years), the present average age of the family is the same. The present age of the youngest child is :
The average age of a coupleand their son was 40 years, the son got married and a child was born just two years after their marriage. When child turned to 10 years, then the average age of the family becomes 38 years. What was the age of the daughter in law at the time of marriage ?
Study the following information carefully and answer the questions given below it. There are 6 persons in a family - three males and three females. Out of these, there are two married couples and two persons who are unmarried. Each one of them likes different colour, viz. Blue, Red, Pink, Green, Yellow and white. Seema, who likes Red colour, is Anitha's mother-in-law and Anitha is Raja's wife. Dinesh is Rohan's father and he does not like the blue colour or white colour. Bavya likes the yellow colour and is Rohan's sister, who likes Pink colour, Raja does not use White colour.
Which of the following is one of the married couples?
The average age of 8 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is :