Answer:
If the question is single answer correct then the answer is
and if it's multiple options correct than the answer is

Explanation:
There is a little ambiguity in the question, that whether one answer is correct or multiple options are correct, but let;s deal with both the cases.
Probability =

Probability when one option is right=

If this is a question , where multiple options are right then the total no. of cases for it will be = TTT, TFF, FTF, FFT, TTF, TFT, FTT (FFF is not a valid case, because the question has to have at least one valid answer.)
Probability when more than one option can be right=
