14/15
Number of ways of selecting 2 letters of word STUPID- 2*(5+4+3+2+1)=30 Number of ways selecting 2 vowels- 2 (UI & IU) Probability- (30-2)/30=28/30= 14/15
If two letters are randomly taken one after the other from the word AUGUST, what is the probability that none of the letters would be vowels?