Asked by JK
2 Years before,average age of 8 numbers of family was 20yr.if present average of family even on inclusion of 1 child,remains same.present age of child is?
Answers
Answered by
Steve
The sum of their ages 2 years ago was 8*20 = 160
So, if the new child's age is x,
160 + 8*2 + x = 9*20
x = 4
So, if the new child's age is x,
160 + 8*2 + x = 9*20
x = 4
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.