IQ Brain Teaser #64

A printing press is used to print the day of each week on envelopes. What is the minimum number of letters the printer could use to print each day of the week if the same letters could be reused to make different words (e.g. you only need 8 letters to make both SUNDAY and MONDAY)? However, if a letter appeared more than once in a word, you would have to have multiples of that letter. 17 18 19 20 21 22 23 24 25 None of the above view results