The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Can you make a fire with just a single stick?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Why do we preferably have round manhole covers and not square ones?

What number should come in place of the question mark below?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Can you find the thief by just looking at the picture below?