Multiple choice

Find wrong number in the given series? 3, 7, 23, 59, 123, 221, 367

  1. 367

  2. 23

  3. 3

  4. 221

  5. 7
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D Correct answer
AI explanation

The differences between the consecutive terms are 4, 16, 36, 64, and 100, which are the squares of even numbers. Adding 100 to 123 gives 223, but the given number is 221, which is incorrect.

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