Multiple choice general knowledge

If you multiply _____ by ______ you get 12,345,678,987,654,321

  1. 111,111,111 by 111,111,111

  2. 111,111,111 by 222,222,222

  3. 222,222,222 by 222,222,222

  4. 111,111,111 by 999,999,999
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

111,111,111 x 111,111,111 = 12,345,678,987,654,321. This is a well-known mathematical pattern where multiplying a number consisting of all 1s by itself creates a palindromic result. The other options (multiplying by 222,222,222 or 999,999,999) would not produce this specific palindromic number.

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