There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

What two things can you never eat for breakfast?

What is the word or phrase?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What does the below mathematical rebus mean?

Can you identify the hidden rebus in the image below?