Multiple choice

Find the wrong number in the given series: $729, 841, 961, 1090, 1225$

  1. $961$
  2. $841$
  3. $1225$
  4. $1090$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The series consists of squares of consecutive odd numbers: 27²=729, 29²=841, 31²=961, 33²=1089, 35²=1225. The number 1090 is incorrect — it should be 1089 (which is 33²) to maintain the pattern.

Keep practicing — related questions