It is always ahead of me yet I can never see it. What is it?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What has no start, end, or centre?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I can write cow in 13 letters.

Can You?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is the longest word in the dictionary?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?