Each one of the letters in the word smacks is written on a separate card and placed in a hat. what is the probability of getting a consonant ?

If you write each letter on a separate card, you'll end up with 6 cards.

Only one of these cards (the one with 'A') has a vowel, the other 5 have a consonant.

So, we in 5 cases out of 6 we will pick a consonant, i.e. we pick a consonant with probability 5/6

answer: -8.2562234e+13