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

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Which is the rope you never skip with?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can it be possible to build a house that has all its four walls facing towards the South?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

If you say my name, I will no longer exist. What am I?

Can you find out the number that should replace the question mark with a valid reason?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?