Out of four images which one is the odd one out?

How can a man go eight days without sleep?

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?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

My location can be determined by the below rebus.
So where am i ?

Keyboard words are not in alphabetical order, Why?

What can go up a chimney down, but can’t go down a chimney up?

What goes up but never comes down?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?