What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

You can see it everyday, But cannot touch it at will. What is it?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

There was a strange boy who was born before his father. How can this be possible?

What is the next number in this series?

4,12,84,3612....

How many times can you subtract the number 5 from 25?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?