I have a very much liking for brain teasers and riddles so this time I thought I should build some interactivity with my fellow readers

So here is Brain Teaser Mania for all

Lets see whos got the smartest ass around lol

here goes

1. What is the only word in the English language that ends in mt?
2. What do a 'racecar' and miss 'maham' have in common?
3. A man drove from Detroit to Chicago, leaving at 8 in the morning. The next day he leaves Chicago at 8 and drives the same highway back to Detroit. If his speed varies, will there be any spot along the route that he passes at exactly the same time each day?
4. When is this sentence true: There are eleven letters in the alphabet.
5. A boy has a peculiar quirk; he repeats everything he hears. However, when his father said dinner was at six, the boy said nothing. Why?
6. This is the only type of cheese that is made backwards. What kind is it?

I thought it was great way to share interactivity with my readers so I published it

Now lets see who gets the most answers correct The answers will be provided in 4-5 days shortly

Update: Though I did not receive much interactivity from my readers in this post still here goes the answers respectively:

Riddle Answers 1-6:

1. Dreamt
2. They are both spelled the same forward and backward
3. There has to be. To see it clearly, imagine two men driving the route on the same day, one leaving Detroit at 8 and the other leaving Chicago at 8. They have to pass each other at some point, and they'll be there at the same time
4. When "the alphabet" is in quotation marks. (count the letters)
5. Obviously he didn't hear him
6. Edam (it spells "made" backwards).