The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

What is the next number in this series?

4,12,84,3612....

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

If a wheel has 54 spokes, how many spaces are there between the spokes?