The sum of three consecutive numbers is 87. The greatest among these three numbers is :  Choices.
A) 22
B) 24
C) 26
D) 30
E) 44
Sol.   Let the numbers be x, x + 1 and x + 2.   Then, x + (x + 1) + (x + 2) = 87 ⇔ 3x = 84 ⇔ x = 28.   Greatest number = (x + 2) = 30.   Answer 30
<result>D</result>
The sum of three consecutive numbers is 87. The greatest among these three numbers is :