What Deficiency does the below rebus represent?

VIT_MIN

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

What kind of tree can you carry in your hand?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

How can a man go eight days without sleep?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?