Difficulty: Medium
Correct Answer: 3082
Explanation:
Introduction / Context:
Some series grow with first differences themselves forming an arithmetic progression. Here, each new difference rises by +123, creating a predictable ladder.
Given Data / Assumptions:
Concept / Approach:
Each step adds another 123 to the previous difference. Therefore the next difference is 615 + 123 = 738.
Step-by-Step Solution:
Verification / Alternative check:
Back-check: 3082 − 2344 = 738 fits the +123 ladder.
Why Other Options Are Wrong:
Common Pitfalls:
Missing the pattern in differences and attempting ratios, which are irregular here.
Final Answer:
3082
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