The centre of the third figure is empty. What digit should fit inside?

How many triangles can you find in this given picture?

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

Using Only Five 5's and any mathematical operator make sum as 37

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

What does this Rebus Picture mean?

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