Odds and probs - flop to river

Question 1

Odds/probabilities of making a full house or better, by the river from a set on the flop?

Answer 1

2 to 1
or
33.3%

Question 2

Odds/probabilities of making a full house or better by the river from two pair on the flop?

Answer 2

5.1 to 1
or
16.4%

Question 3

Odds/probabilities of making a flush by the river from a four-flush on the flop?

Answer 3

1.9 to 1
or
34.5%

Question 4

Odds/probabilities of making a back door flush by the river?

Answer 4

23 to 1
or
4.17%

Question 5

Odds/probabilities of making a straight by the river from an open-ended straight draw on the flop?

Answer 5

2.2 to 1
or
31.3%

Question 6

Odds/probabilities of making a straight by the river from a gutshot straight draw on the flop?

Answer 6

5.1 to 1
or
16.4%

Question 7

Odds/probabilities of making a pair or better, by the river, from two overcards on the flop?

Answer 7

3.2 to 1
or
23.8%