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

DEAD, BALL, FEAR, SHOP

Can you find the logic?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What's a single-digit number with no value?

Solve the rebus riddle in the picture below.

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.

Can you decipher the below rebus?

PBLUESAISNUERSES

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

What is the fastest way to double your money?

How can a man go eight days without sleep?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?