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

The more you take me, the more you leave me behind.
Who Am I?

What does below chemistry rebus means?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What is the next number in this series?

4,12,84,3612....

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

what does the below rebus mean?

Which tank will fill first?