What runs around the whole yard without moving?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

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

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

How many triangles are there in the picture below?

A sundial has the fewest moving parts of any timepiece. Which has the most?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

What word begins and ends with an E, but has only one letter?

Solve the alphametic puzzle by replacing the alphabet with the number.

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