Railway Recruitment Board Reasoning — Question 1738
Question
Find the next term: 2, 6, 12, 20, 30, ?
- 40
- 42
- 44
- 46
Correct answer
B — 42
Explanation (English)
Differences are 4, 6, 8, 10, 12, so 30 + 12 = 42 (also n(n+1): 6 x 7 = 42).
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