Random Puzzles 

Workings

Hint
Try to rotate them around in your head, but watch out for mirror images.

Answer
B, E, and G.

Workings

Hint
The next-to-last letters are: N, N, E, I, L, O, R, E, U, U.

Answers
-s-e-d = ascend -p-a-g = sprang -r-f-r = prefer -y-r-d = hybrid -r-f-e = trifle -a-b-n = carbon -a-e-a = camera -m-z-s = amazes -s-f-l = useful -i-s-e = tissue

Workings

Hint
One of the states has 4 letters.

Answer
California, Ohio, and New Jersey.

Workings

Hint
It's not just the vowels (AEIOU) that have a problem.

Answer
H, S, and T.

Reasoning
It should read:

"Can you tell what is wrong with this paragraph? At first glance you may think that just the vowels (AEIOU) have problems, but no! Three consonants also have problems, they have been replaced with the letter R, but which ones are they?"