Answer:
Some are clean and some are dirty, but all are meant to get a chuckle. Most like it, some takes offense from it.
How did the computer get drunk?
what is cows' favourite time of the day
What kind of a nut has a hole?
What do Delhi, Mexico, Guinea, Castle, Jersey and Foundland have in common?
Which popular cheese is made backwards?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?