Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

You need to arrange three 7 and mathematical symbols to form number 1?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What do you see in the image below

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

What has no start, end, or centre?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Move three sticks of the spiral below to form a square.

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

What do you answer even though it never asks you questions?