I am a famous Roman number. Take away one letter from me, and my value increases by one. What Roman numeral was I originally?
IX
IX represents 9 in Roman numerals. Removing the letter 'I' leaves X, which represents 10, increasing its total value by one.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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