What Deficiency does the below rebus represent?

VIT_MIN

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Whats the next number in the below number sequence pattern.

What begins with T, ends with T, and has T in it?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

What do you call a fish without an eye?

Can you name some countries which do not have the alphabet 'A' in them?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?