Difficulty: Easy
Correct Answer: 6 2
Explanation:
Introduction / Context:
A straightforward arithmetic progression with a fixed negative step size challenges you to maintain accuracy over multiple decrements.
Given Data / Assumptions:
Concept / Approach:
Check consecutive differences to confirm the common difference, then continue the pattern by the same subtraction.
Step-by-Step Solution:
Verification / Alternative check:
Writing the tail: 18, 14, 10, 6, 2 confirms a constant −4 cadence.
Why Other Options Are Wrong:
Common Pitfalls:
Skipping a step when counting down by fours.
Final Answer:
6 2
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