I always drive my customer away.

Who am I?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

What is the longest word in the dictionary?

What type of tree can I carry in my hand?

Can you place six X (crosses) in below board without making three in a row in any way ?

What is the fastest way to double your money?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

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.