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

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What came first, the chicken or the egg?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

If an electric train is travelling south, then which way is the smoke going?