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

I shave every day, but my beard stays the same. What am I?

What 5-letter word typed in all capital letters can be read the same upside down?

Can you Find and name the hidden bird in the picture below ?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

What is black when you buy it, red when you use it, and gray when you throw it away?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

what one word does the below rebus identifies?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?