Find the middle one when The sum of three consecutive even numbers is 21?  Pick one.
A) 7  B) 10  C) 8  D) 6  E) 11
3 consecutive numbers can be a - 1, a, a + 1   So sum of numbers = 3a = 21.   Hence a = 7.   7
<result>A</result>
Find the middle one when The sum of three consecutive even numbers is 21?