What Deficiency does the below rebus represent?

VIT_MIN

Using eight eights and addition only, can you make 1000?

What 5-letter word typed in all capital letters can be read the same upside down?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?