A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

What brings you down but never up?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What runs around the whole yard without moving?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

What does this mathematical rebus means ?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

What can go up a chimney down, but can’t go down a chimney up?

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?