I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

The more it dries, the wetter it becomes. Can you tell what it is?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is the next number?

77, 49, 36, 18 ?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

What kind of band never plays music?

How can you leave a room with two legs and return with six legs?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?