Mindtrap Answers are Finally Here!

Yes Mensaheads, the answers are finally here, better late than never. Like you needed the answers anyway.

You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
Ed was correct in a cob o' corn.

Picture a ship at anchor. Over the side hangs a rope ladder with half metre rungs. The tide rises a half metre per hour. At the end of five hours, how much of the ladder will remain above the water assuming that nine rungs were above the water when the tide began to rise?
Ed was once again correct...9 rungs. The ladder would move with the ship, which would move with the tide.

Sam Slug got out of jail and pushed his car to the St. James Hotel. When he arrived he realized he was bankrupt. How could his financial disaster be explained?
Surprise, surprise, Ed also got this one...Monopoly

Now to brighten your day here are some new mind-numbing questions.

There is a word in the English language in which the first 2 letters signify a male, the first 3 letters signify a female, the first 4 signify a great man and the whole word , a great woman. What is the word?

A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 kms each day and the other two legs travel nearly 31 kms. It would seem that two of the horse's legs must be almost a km ahead of the other two legs, but of course this is not the case. Since the horse is quite normal, how is this situation possible?

Using one set of letters in the same order, can you fill in the blanks and make a normal sentence?
A _o_a_l_ doctor had _o/ _a_l_ and therefore, was _o_/ a_l_ to operate.

Go to it!