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?

What do you see in the given picture?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

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

What is black when you buy it, red when you use it, and gray when you throw it away?

That attorney is my brother, testified the accountant.

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

Who is lying?

Be active and find the killer in the picture Riddle below.