A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

What part of the chicken has the most feathers?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?