How is the moon similar to a dollar?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What is the difference between a jeweller and a jailer?

What is at the end of a rainbow?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

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?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?