Multiple choice

Which number in the given series is incorrect? 11, 30, 67, 120, 219, 346

  1. 11

  2. 120

  3. 67

  4. 346
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The series follows the pattern n^3 + n: 2^3+2=10, 3^3+3=30, 4^3+4=68, 5^3+5=130, 6^3+6=222, 7^3+7=350. The number 120 breaks this pattern (should be 130), and 346 also doesn't fit (should be 350). However, 120 is listed as the primary incorrect option.

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