Find the wrong number in the series given below: 1, 2, 5, 14, 41, 125

2025

Find the wrong number in the series given below:

1, 2, 5, 14, 41, 125

  1. A.

    125

  2. B.

    5

  3. C.

    2

  4. D.

    41

Attempted by 12 students.

Show answer & explanation

Correct answer: A

The series follows the pattern: n × 3 - 1. Starting with 1: 1 × 3 - 1 = 2, 2 × 3 - 1 = 5, 5 × 3 - 1 = 14, 14 × 3 - 1 = 41. However, the next term should be 41 × 3 - 1 = 122, not 125. Therefore, 125 is the wrong number.

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