Why do people go to bed?

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

In the given picture, in how many ways can you read the word "Tiger"?

What is more useful when it is broken?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

In the image below, can you find the value of an angle(y)

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Why is Saturday stronger than Monday?