29 March 2014

170. Change Roman Numeral 7 to 1

Easy Medium Hard Extreme


Shown here is the number 7 presented as a Roman numeral. Move only 1 stick to change the value to 1.

Your answer might not be a Roman numeral.

Show Answer

The square root of 1 is 1 in mathematical terms.

Hide Answer

6 comments:

  1. Besides making it root of 1 you can use a match to cross out the two straight ones.

    ReplyDelete
  2. move one of the V sticks to cross the first 1 stick to make an X now it reads I X I = I

    ReplyDelete
  3. A much more simple and correct solution that I found

    ReplyDelete
  4. A much more simple and correct solution that I found

    ReplyDelete
  5. Both of those solutions would involve adjusting more than one match, making them wrong. A diagonal line means nothing in roman numerals, you would have to adjust it to be straight, which would count as moving it.

    ReplyDelete
  6. Super solution

    ReplyDelete