Replace the question mark with the correct number in below Picture:

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What part of Turkey has the most feathers?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What have one eye but still cannot see?

Solve the equation in the image by looking at the pattern closely.

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?