What is the word or phrase?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Where do fish keep their money?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

How many triangles are there on the puzzle below?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?