Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

I look at you, you look at me I raise my right, you raise your left. What am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?