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What is the next number in the series? 2, 6, 12, 20, 30, ?
  1. 42
  2. 44
  3. 46
  4. None of these
Explanation

Pattern: n × (n + 1)

1 × 2 = 2

2 × 3 = 6

3 × 4 = 12

4 × 5 = 20

5 × 6 = 30

6 × 7 = 42


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