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Multiple choice

Find the wrong number in the given series $225, 336, 447, 555, 669$

  1. $225$
  2. $447$
  3. $555$
  4. $669$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is adding 111 to each number: 225+111=336, 336+111=447, 447+111=558. But 555 is given instead of 558. 558+111=669. So 555 breaks the pattern and should be 558.

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