In which direction should the missing arrow point?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Remove two matchsticks to make the below equation correct.

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What makes this number unique: 8,549,176,320?

What has a bottom at the top?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Different lights make me strange by changing me into different sizes. What am I?