Which of the below owl is odd one out?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

A man dies of old age on his 25 birthday. How is this possible?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you find the six hidden animals in the picture below?

What is both possible and impossible at the same time?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?