Multiple choice

In the following number series one number is wrong. Find out wrong number. 1444 1521 1610 1681 1764 1849

  1. 1521

  2. 1610

  3. 1444

  4. 1764

  5. 1681
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B Correct answer
Explanation

The series should be consecutive perfect squares starting from 38²: 38²=1444, 39²=1521, 40²=1600, 41²=1681, 42²=1764, 43²=1849. The number 1610 breaks this pattern since 40²=1600, not 1610. Therefore 1610 is the wrong number in this otherwise consistent sequence of squares.

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