The more it dries, the wetter it becomes. Can you tell what it is?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Who has married many women but was never married?

Count the number of triangles in the below picture?

why number 8549176320 is one of a kind?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

I am sure no one can have two things for dinner. what are they?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?