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The average of four consecutive even numbers is one fourth of the sum of these numbers. What is the difference between the first and last number?

A

4

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B

6

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C

2

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D

8

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Solution

The correct option is C $6$
Let the numbers be $2 x - 2, 2 x, 2 x + 2$ and $2 x + 4$ , where $x$ is a natural number.
Then the difference between the first and last number $= 2 x + 4 - (2 x - 2) = 6$ .
Ans- Option B.

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