Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

What Does this text mean:

important=important

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What is at the end of a rainbow?

There is a place where if I stand up straight, I will still be considered sideways.