The sum of ages of 5 children born 1 years different each is 30 years. What is the age of the Elder child?
Choose one
A) 8 B) 9 C) 10 D) 16 E) 17
Let the ages of children be x, (x + 1), (x + 2), (x + 3) and (x + 4) years.   Then, x + (x + 1) + (x + 2) + (x + 3) + (x + 4) = 30   5x = 20   x = 4.   x +4= 
<gadget id="calculator"> +4</gadget>
<output>4</output>
4+4= 
<gadget id="calculator">4+4</gadget>
<output>8</output>
8   8nswer : 8
<result>A</result>
The sum of ages of 5 children born 1 years different each is 30 years. What is the age of the Elder child?