Next 3 letters
What is the next 3 letters in this riddle? o t t f f s s _ _ _
6 in roman
After teaching his class all about roman numerals (X = 10 IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The only stipulation the teacher made was that the pen could not be lifted from the paper until the line was complete.