Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

The Little ant seems to be always confused. Do you know why?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

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

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?