There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

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.

What kind of band never plays music?

What has no start, end, or centre?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?