What Deficiency does the below rebus represent?

VIT_MIN

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

Whats the next number in the below number sequence pattern.

Why is 6 afraid of 7?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?