If five standard (six-sided) dice are tossed onto the table, what is the probability that

a. all of them will show an odd number on top?

b. no aces or deuces (that means ones or twos) will show on top?

C. the five dice will show five different values on top?

If Five standard (six-sided) dice are rolled, one at a time. What is the probability that
a. the first two dice show aces, and the next three do not?
b. two of the five dice show aces, and the other three do not?