What is more useful when it is broken?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

what one word does the below rebus identifies?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Why is a river so rich ?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

I have an eye but still cannot see.

Who am I?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?