The sum of the ages of 5 children born at the intervals of 3 year each is 40 year. what is the age of the youngest child ?
Pick one.
A) 2 year	B) 8 year	C) 10 year	D) None of these	E) 9 year
Solution   let the ages of the children be x,(x + 3),(x + 6),(x + 9) and (x + 12) year.   then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 40 â‡” 5 x = 10 â‡” x= 2.   âˆ´ Age of the youngest child = x = 2 years. 2 yearnswer 2 year
<result>A</result>
The sum of the ages of 5 children born at the intervals of 3 year each is 40 year. what is the age of the youngest child ?