The average of four consecutive even numbers is one-fourth of the sum of these numbers. What is the difference between the first and the last number?
Choose the correct answer:
A) 4 B) 6 C) 2 D) Cannot be determined E) None of these
Let the four consecutive even nos. be 2x, 2x + 2, 2x + 4 and 2x + 6 respectively.   Reqd difference = 2x + 6 – 2x = 6   Answer 6
<result>B</result>
The average of four consecutive even numbers is one-fourth of the sum of these numbers. What is the difference between the first and the last number?