What is the next number in this matchsticks series riddle?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

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

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Replace the question mark with the number below given a simple math problem.

What does below Rebus say?

XLR8

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?