What will you call your mother's brother's brother-in-law?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

What month of the year has 28 days?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

If an electric train is travelling south, then which way is the smoke going?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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

Count the number of triangles in the given picture.