You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

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

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

What can go through glass without breaking it?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'