Why Aeroplane windows are round?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

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

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What word is pronounced the same if you take away four of its five letters?