Number Series · Question 26 · Medium
Find the wrong number in the series: 2, 6, 12, 20, 30, 42, 58
- 30
- 20
- 58
- 42
Answer and explanation
Answer: C. 58
Explanation: The terms are n(n + 1): 1×2, 2×3, 3×4, 4×5, 5×6, 6×7, 7×8. The last term should be 56, not 58.
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