What Deficiency does the below rebus represent?

VIT_MIN

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Why do you find that most of the buildings are deprived of the 13th floor?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

What is at the end of a rainbow?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Here is a mathematical expression that also secretly tells a movie name. What movie is that?