The sum of ages of 5 children born 3 years different each is 50 yrs. What is the age of the Elder child?
Choose the correct choice from the following.
A) 8
B) 10
C) 16
D) 18
E) 22
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.   x+12= 4+12= 
<gadget id="calculator">4+12</gadget>
<output>16</output>
16   16
<result>C</result>
The sum of ages of 5 children born 3 years different each is 50 yrs. What is the age of the Elder child?