When 99 is considered higher than 100?

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

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What Time Should the last watch show in the below figure?

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

What building has the most stories?

Can you find out the remainder when 3^300 is divided by 5?