Question

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?
(a) 4
(b) 6
(c) 2
(d) Cannot be determined
(e) None of these​

Answer 1

Answer:

6

Step-by-step explanation:

Let the numbers be 2x−2,2x,2x+2 and 2x+4, where x is a natural number.

Then the difference between the first and last number =2x+4−(2x−2)=6.