If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

What has a ring but no finger?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is both possible and impossible at the same time?

What is so fragile that saying its name breaks it?

There was a strange boy who was born before his father. How can this be possible?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?