You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

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

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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?

Sharpest vision can find the lamp in the desert. Are you one of them? Test your observation skills now!

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Readers with the highest levels of visual skills can find three differences between the pictures of a lion on a scooter. Test your visual prowess now!