Multiple choice general knowledge math & puzzles

1,9,25,49,..

  1. 56

  2. 72

  3. 64

  4. 81
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The sequence is squares of odd numbers: 1=1², 9=3², 25=5², 49=7². The pattern continues with the next odd number (9), giving 9²=81. Alternatively, each term is (2n-1)² where n=1,2,3,4,5.

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