In which distributions does the variable, X, have a binomial distribution?

Question

(Choose all that are correct)
When a 6-sided number cube is rolled 3 times, X is the number of 2s rolled.
When a 6-sided number cube is rolled, X is the number of times rolled before a 2 appears.
When a 6-sided number cube is rolled twice, X is the number of odd numbers rolled.
When a 6-sided number cube is rolled twice, X is the sum of the numbers rolled.

Answer 1

B,C i think

Answer 2

The correct answers are:
When a six-sided number cube is rolled three times, X is the number of 2s rolled.

When a six-sided number cube is rolled twice, X is the number of odd numbers rolled.