Multiple choice

Find the wrong number in the following number series. 15 41 145 6113 3108 15611

  1. $15611$
  2. $41$
  3. $145$
  4. $3108$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pattern: multiply by increasing odd numbers (3, 5, 7, 9, 11) and add the multiplier. 145x7+7=1018, not 6113. 3108 should be 1019x9+9=9190. 3108 is wrong.

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