Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Which wheel of car does not rotate when you turn your car right?

What runs around the whole yard without moving?

How can you tell a raw egg from a hard-boiled egg?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

You need to move three matchsticks to form three squares. Can you do it?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?