When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Can you solve the maths in the below-given picture equation?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?