You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

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

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

The more it dries, the wetter it becomes. Can you tell what it is?

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