WHAT HAS 4 LETTERS SOMETIMES 9 BUT NEVER 5 LETTER RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

A fire quacker. Did you answer this riddle correctly?
YES  NO  

The hot dogs were bad and the brats were wurst! Did you answer this riddle correctly?
YES  NO  

Banana Did you answer this riddle correctly?
YES  NO  

River Dixon. We know his name is river, so 500 being D in Roman numerals, 10 being X, 1 being I, and an is the fourteenth letter of the alphabet. D at the start, X in the middle, in the middle of those two is I, so that spells DIX, near the end is none/0, which is like an O so that's DIXON. Then to the left of that is River so, RIVER DIXON. Did you answer this riddle correctly?
YES  NO  

QT. Did you answer this riddle correctly?
YES  NO  

Tuesday, Thursday, today, and tomorrow. Did you answer this riddle correctly?
YES  NO  

Dozens. Did you answer this riddle correctly?
YES  NO  

The letter U. Did you answer this riddle correctly?
YES  NO  

The letter M. Did you answer this riddle correctly?
YES  NO  

She went over on the date of the 4th of july and came home on the boat called the 4th of july. Did you answer this riddle correctly?
YES  NO  

C and Y Did you answer this riddle correctly?
YES  NO  

Anywhere it wants! Did you answer this riddle correctly?
YES  NO  

Incorrectly! Did you answer this riddle correctly?
YES  NO  

On a diet! Did you answer this riddle correctly?
YES  NO  

Yes they do, and a July 5th and a July 6th. Did you answer this riddle correctly?
YES  NO