What comes next in the series? 2, 6, 12, 20, 30, __________
Question and options
What comes next in the series?
2, 6, 12, 20, 30, __________
2, 6, 12, 20, 30, __________
- 40
- 42
- 50
- 56
Answer and explanation
Correct answer: B - 42
The differences are 4, 6, 8, 10, so the next difference is 12: 30 + 12 = 42. Equivalently the terms are n(n+1), and 6x7 = 42.
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CUSAT CAT Five-Year LL.B.
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