why number 8549176320 is one of a kind?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

Which letter of the alphabet has the most water?

Look at the picture and find out which square is not linked with any of the other squares.

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Can you count the number of matches in the picture below ?

What do you see in the image below

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?