Seven cards. One hidden rule.

Catalogues puzzle 257

Solve Catalogues puzzle 257, a fixed medium list: seven cards, one hidden ordering rule, five guesses.

PUZZLE 257 · Medium

Put these in order

Adding Zeros

5 guesses left– of 7 in place0:00
  1. Nonillion
  2. Quintillion
  3. Quadrillion
  4. Decillion
  5. Sextillion
  6. Septillion
  7. Billion

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