Multiple choice

In the following number series find the wrong term- 30 68 130 224 350 520

  1. 130

  2. 224

  3. 520

  4. 350

  5. 30
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is n^3 + n starting from n=3: 3^3 + 3 = 30, 4^3 + 4 = 68, 5^3 + 5 = 130. Following this pattern, 6^3 + 6 should be 222, but the series has 224. The remaining terms 7^3 + 7 = 350 and 8^3 + 8 = 520 fit the pattern correctly.

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