How can you write nineteen in a manner that if we take out one, it becomes twenty?

What question can you never answer yes to?

Can you count the number of triangles in the given picture?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle: