Number Series · Question 12 · Hard
Find the next number in the series: 3, 4, 10, 33, 136, ?
- 685
- 680
- 690
- 816
Answer and explanation
Answer: A. 685
Explanation: The rule is ×1 + 1, ×2 + 2, ×3 + 3, ×4 + 4. Next: 136 × 5 + 5 = 685.
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