You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

What word is represented by this rebus?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

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?