The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? Options: A) 4 years B) 8 years C) 10 years D) 12 years E) 14 years
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.   Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50   5x = 20   x = 4.   Age of the youngest child = x = 4 years. 4 yearsnswer: Option 4 years
<result>A</result>
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?