Multiple choice

Directions: One of the terms in the following number series is incorrect. Find out the incorrect term. 121, 232, 343, 454, 565, 656, 787

  1. 232

  2. 343

  3. 454

  4. 656

Reveal answer Fill a bubble to check yourself
D Correct answer
AI explanation

The series follows a pattern where the difference between consecutive terms alternates between 111 and 112. The differences are 232 - 121 = 111, 343 - 232 = 111, 454 - 343 = 111, 565 - 454 = 111, and 656 - 565 = 91. Since 656 should be 565 + 111 = 676, the term 656 is incorrect.