People put me on the table and cut me but do not eat me. What am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

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 does this mean?

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John was drowned by he was not wet. How?

If 1+9+8=1, what is 2+8+9?

What number comes next in this sequence:
7 8 5 5 3 4 4 _