A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

How can a man go eight days without sleep?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What does the below image rebus riddle means ?

Can you spot the man between the coffee bean in the picture below ?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

What has a ring but no finger?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What is full of holes but still holds water?