Multiple choice

In the following number series only one number is wrong. Find out the wrong number. 4 6 18 49 201 1011

  1. 101

  2. 201

  3. 49

  4. 18

  5. 6

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Checking the pattern: 4×3-6=6, 6×4-6=18, 18×3-5=49, 49×4+5=201, 201×5+6=1011. The pattern breaks at 49—it should be 18×3-2=52 to fit smoothly. Alternatively, the series follows: ×3-6, ×4-6, ×3.5-5... but 18 doesn't fit the expected progression.