Correct Answer - Option 1 : 6
Given:
Average of four consecutive even numbers = (1/4) × sum of all
Concept used:
Average = (sum of elements)/(number of elements)
Calculation:
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.