Multiple choice

In the following number series only one number is wrong. Find out the wrong number. (142 \quad 119 \quad 100 \quad 83 \quad 65 \quad 59 \quad 52)

  1. $100$
  2. $119$
  3. $52$
  4. $65$
  5. $142$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Differences: 23, 19, 17, 18, 6, 7. The pattern should be: -4, -2, -2, -2... But 65-59=6 breaks this. If 65 were 54, the difference would be 5. The error is at 65.

Keep practicing — related questions