Can you replace the question mark with the correct number in the below table sequence?

What Deficiency does the below rebus represent?

VIT_MIN

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Can you make a six-letter word using the letters N, A and B ?

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

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What word is pronounced the same if you take away four of its five letters?