Can you count the number of squares in the figure below?

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

What do you see in the image below

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

What part of the chicken has the most feathers?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

What number divided by 4 is the same as that number minus 4?