Multiple choice

In the following numbers series only one number is wrong. Find out the wrong number- 7, 62, 430, 2141, 6408

  1. 6408

  2. 2141

  3. 430

  4. 62

  5. 7
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pattern: ×9-1, ×7-1, ×5-1, ×3-1 should give 7, 62, 433, 2164, 6491. Actual: 7, 62, 430, 2141, 6408. 430 breaks the pattern (should be 433), but 6408 is the final deviation (should be 6491).

Keep practicing — related questions