If 2 → 6, 3 → 12, 4 → 20, 5 → 30, then 9 → ?
- 81
- 90
- 99
- None of these
Explanation
The pattern is n×(n+1).
2 × 3 = 6
3 × 4 = 12
4 × 5 = 20
5 × 6 = 30
9 × 10 = 90
Last verified on 02-08-2026
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