Number series (×n + n rule): compute the next term. Sequence: 2, 3, 8, 27, 112, ? At each step, multiply by the step index and add the same index. Choose the correct next value.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
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A226
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B339
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C452
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D565
Answer
Correct Answer: 565
Explanation
Rule ak+1 = ak·k + k (for k = 1, 2, 3, …)
Verify 2 → 2·1 + 1 = 3 3 → 3·2 + 2 = 8 8 → 8·3 + 3 = 27 27 → 27·4 + 4 = 112 Next: 112 → 112·5 + 5 = 565