What Deficiency does the below rebus represent?

VIT_MIN

Decode below rebus
D
N
A
T
S , D

What does a man do only once in his lifetime, but women do once a year after they are 29?

Find out the number of circles in the given picture having Illusion

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Who has married many women but was never married?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?