Banking Exams Quant — Question 1811
Question
Find the next term in the series: 2, 6, 12, 20, 30, ?
- 40
- 42
- 44
- 36
Correct answer
B — 42
Explanation (English)
Differences are 4, 6, 8, 10 (increasing by 2). Next difference = 12, so next term = 30 + 12 = 42. (Terms are n(n+1): 1·2, 2·3, 3·4, ... 6·7 = 42.)
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