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The average of four consecutive even numbers is one fourth of the sum of these numbers. The difference between the first and the last number is
1. 6
2. 8
3. 7
4. 5

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Correct Answer - Option 1 : 6


Average of four consecutive even numbers = (1/4) × sum of all

Concept used:

Average = (sum of elements)/(number of elements)


Let the four consecutive even numbers be x, x + 2, x + 4, x + 6.

The difference between first and last numbers = x + 6 - x = 6

∴ The required difference is 6.

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