Multiple choice

Find the wrong number in the given series. $289 , 324 ,361 ,400, 441, 484 ,523 , 576 , 625 , 676 , 729, 784$

  1. $289$
  2. $784$
  3. $523$
  4. $576$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The series follows perfect squares: 17², 18², 19², 20², 21², 22², 23², 24², 25², 26², 27², 28². Checking each: 289=17², 324=18², 361=19², 400=20², 441=21², 484=22², but 523 is not a perfect square (22²=484, 23²=529). The correct term should be 529 (23²).

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