What Deficiency does the below rebus represent?

VIT_MIN

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I have feet, but no legs. Which animal Am I?

What brings you down but never up?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

How can you make number one disappear by adding something to it?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?