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?

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

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

What number should come in place of the question mark below?

What does the rebus below mean?

TEN BADTION

Find out which of the given views in the picture is accurately the top view of the given pyramid.

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?