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

How could a baby fall out of a twenty-story building onto the ground and live?

Can you find the dog hidden in a group of pandas?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What has one letter and starts with an E?

Which five letter word can be added at the end of below word to form a
valid word?

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Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

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.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?