What Deficiency does the below rebus represent?

VIT_MIN

Find out the missing number in the picture attached:

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Can you start the fire using two pieces of wood?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.