What Deficiency does the below rebus represent?

VIT_MIN

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What does this rebus means ?

PROG WORKRESS

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

What word is pronounced the same if you take away four of its five letters?