SaraNextGen.Com

Ten years ago, the ages of the members of a joint family of 8 people added up to 231 years. Three years later, one member died at the age of 60 years and a child was born during the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average of this eight-member joint family is nearest to

(a) 21 yrs.                    (b) 22 yrs.                 (c) 23 yrs.                 (d) 24 yrs.



Question ID - 50909 | SaraNextGen Top Answer

Ten years ago, the ages of the members of a joint family of 8 people added up to 231 years. Three years later, one member died at the age of 60 years and a child was born during the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average of this eight-member joint family is nearest to

(a) 21 yrs.                    (b) 22 yrs.                 (c) 23 yrs.                 (d) 24 yrs.

1 Answer
127 votes
Answer Key / Explanation : (d) -

Sum of the ages of 8 members, 10 years ago = 231 years.

Sum of the ages of all members, 7 years ago =

 years.

Sum of the ages of all members, 4 years ago =

 years.

Sum of the present ages of all 8 members =  years.

 Current average age =  years = 23.8 years  years.

127 votes


127